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Wise SA, Kuszak AJ, Camara JE. Evolution and impact of Standard Reference Materials (SRMs) for determining vitamin D metabolites. Anal Bioanal Chem 2024; 416:2335-2358. [PMID: 38236394 DOI: 10.1007/s00216-024-05143-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/19/2024]
Abstract
The National Institute of Standards and Technology (NIST), in collaboration with the National Institutes of Health, Office of Dietary Supplements (NIH ODS), introduced the first Standard Reference Material® (SRM) for determining vitamin D metabolites in 2009 motivated by significant concerns about the comparability and accuracy of different assays to assess vitamin D status. After 14 years, a suite of five serum matrix SRMs and three calibration solution SRMs are available. Values were also assigned for vitamin D metabolites in five additional SRMs intended primarily to support measurements of other clinical diagnostic markers. Both the SRMs and the certification approach have evolved from significant exogenous serum content to primarily endogenous content and from value assignment by combining the results of multiple analytical methods to the use of measurements exclusively from reference measurement procedures (RMPs). The impact of the availability of these SRMs can be assessed by both the distribution information (sales) and by reports in the scientific literature describing their use for method validation, quality control, and research. In this review, we describe the development of these SRMs, the evolution in design and value assignment, the expansion of information reported, and SRM use in validating analytical methods and providing quality assurance within the vitamin D measurement community.
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Affiliation(s)
- Stephen A Wise
- Office of Dietary Supplements (ODS), National Institutes of Health (NIH), Bethesda, MD, 20817, USA.
| | - Adam J Kuszak
- Office of Dietary Supplements (ODS), National Institutes of Health (NIH), Bethesda, MD, 20817, USA
| | - Johanna E Camara
- Chemical Sciences Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD, 20899, USA
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2
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Almalki AH, Alaqel SI, Alharbi A, Abduljabbar MH, Bamaga AK, Alsenani F, Ramzy S. Spectrofluorimetric determination of vitamin D in the serum of autistic and healthy children using functionalized graphene quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 309:123842. [PMID: 38181623 DOI: 10.1016/j.saa.2024.123842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/23/2023] [Accepted: 01/02/2024] [Indexed: 01/07/2024]
Abstract
Vitamin D is one of the most essential nutrients for brain development, and deficiencies during pregnancy and early childhood development might be associated with autism. Regular monitoring of serum 25-hydroxyvitamin D3 level could help in early diagnosis and therapy. Analytical measurement of serum 25-hydroxyvitamin D3 level using the traditional matrix-matched calibration technique yields inaccurate results due to absence of serum matrix free from 25-hydroxyvitamin D3. The aim of this work was to develop a validated spectrofluorimetric methodology based on the standard addition approach for quantifying 25-hydroxyvitamin D3 levels in real serum samples of autistic children. The spectrofluorimetric methodology utilizes functionalized graphene quantum dots as a fluorescent probe for selective quantification of 25-hydroxyvitamin D3 level, which is based on measuring the quenching properties of 25-hydroxyvitamin D3 on a fluorescent probe. The standard addition approach exhibits a minimal matrix interference since it identically utilizes the same matrix of each study sample for creating its own calibration curve. The method was validated using the guidelines outlined in ICH M10 draft for endogenous compounds quantification. The method was successfully applied for quantifying the serum 25-hydroxyvitamin D3 levels in autistic and healthy children, and autistic children had significantly lower serum 25-hydroxyvitamin D3 levels (with a mean ± SD of 23.80 ± 17.19) when compared to healthy children (with a mean ± SD of 50.13 ± 18.74, P < 0.001). These results suggested an association between vitamin D deficiency and autism.
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Affiliation(s)
- Atiah H Almalki
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; Addiction and Neuroscience Research Unit, Health Science Campus, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Saleh I Alaqel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Northern Border University, Rafha 91911, Saudi Arabia
| | - Adnan Alharbi
- Clinical Pharmacy Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Maram H Abduljabbar
- Department of Pharmacology and Toxicology, College of Pharmacy, Taif University, Taif, 21944, Saudi Arabia
| | - Ahmed K Bamaga
- Neuromuscular Medicine Unit, King Abdulaziz University Hospital, King Abdulaziz University, Jeddah, Saudi Arabia; Neurology Unit, Department of Pediatric, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Faisal Alsenani
- Department of Pharmaceutical Sciences, College of Pharmacy, Umm Al-Qura University, Makkah 24381, Saudi Arabia
| | - Sherif Ramzy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751 Nasr City, Cairo, Egypt.
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Socas-Rodríguez B, Pilařová V, Sandahl M, Holm C, Turner C. Simultaneous Determination of Vitamin D and Its Hydroxylated and Esterified Metabolites by Ultrahigh-Performance Supercritical Fluid Chromatography-Tandem Mass Spectrometry. Anal Chem 2022; 94:3065-3073. [PMID: 35138814 PMCID: PMC8867463 DOI: 10.1021/acs.analchem.1c04016] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this study, an analytical method has been developed that, for the first time, allows simultaneous determination of vitamin D2 and vitamin D3 along with their hydroxylated and esterified forms. A group of 12 vitamin D analogues including vitamin D2 and vitamin D3, seven hydroxylated metabolites, and three ester forms were separated in a single 8.0 min run using ultrahigh-performance supercritical fluid chromatography coupled with triple quadrupole tandem mass spectrometry. Electrospray ionization and atmospheric pressure chemical ionization were investigated as ion sources, of which the latter showed a higher ionization efficiency. Chromatographic conditions were thoroughly evaluated by a step-by-step method, whereas an experimental design was applied for the optimization of the ionization parameters. Calibration and repeatability studies were carried out to validate the instrumental methodology showing determination coefficients higher than 0.9992 and good intra- and interday precision with relative standard deviations for areas and retention times lower than 10 and 2.1%, respectively, for all target analytes. Limits of quantification were below 3.03 μg/L for all compounds. The methodology was then validated and applied for the evaluation of human plasma samples in order to demonstrate its applicability to the analysis of vitamin D analogues in biological samples. Samples of five individuals were analyzed. Results show that linoleate-D3, vitamin D2, vitamin D3, 25-hydroxyvitamin D2, 24,25-dihydroxyvitamin D3, and 1,25-dihydroxyvitamin D3 could be detected in most samples, while the two latter also were quantified in all analyzed samples.
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Affiliation(s)
- Bárbara Socas-Rodríguez
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, P.O. Box 124, Lund 22100, Sweden
| | - Veronika Pilařová
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, P.O. Box 124, Lund 22100, Sweden.,Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Margareta Sandahl
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, P.O. Box 124, Lund 22100, Sweden
| | - Cecilia Holm
- Department of Experimental Medical Science, Faculty of Medicine, Lund University, P.O. Box 124, Lund 22100, Sweden
| | - Charlotta Turner
- Department of Chemistry, Centre for Analysis and Synthesis, Lund University, P.O. Box 124, Lund 22100, Sweden
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Okabe H, Shimizu C, Yamamoto M, Kikuchi R, Minami A, Chen YF, Imai H, Mizuta M, Chen Z, Chiba H, Hui SP. Determination of Serum 25-Hydroxyvitamin D 3 by LC/MS/MS and Its Monthly Variation in Sapporo Indoor Workers. ANAL SCI 2018; 34:1043-1047. [PMID: 29863032 DOI: 10.2116/analsci.18p193] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
25-Hydroxyvitamin D3 (25(OH)D3) as the metabolite of vitamin D, is connected with various of diseases, and important to people with limited sunshine. Thus, the investigation of serum 25-hydroxyvitamin D and its variation in these people is necessary. In this study, a simple, precise, and accurate method for serum 25(OH)D3 determination by LC/MS/MS was developed. Serum samples were obtained monthly for one year from 11 male and 11 female indoor workers in Sapporo, Japan, and the overall 25(OH)D3 concentration was 12.9 ± 4.7 ng/mL. The 25(OH)D3 in females was significantly lower than that in males (14.0 ± 5.0 vs. 11.9 ± 4.3 ng/mL). The serum 25(OH)D3 concentration in males and females were both strongly correlated to UV-B radiation (r2 = 0.8477 and 0.7384, respectively), with a two-month's lag. Also the monthly change in 25(OH)D3 in males was more significant than that in females.
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Affiliation(s)
| | - Chikara Shimizu
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
| | | | - Rei Kikuchi
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
| | - Akiko Minami
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital
| | - Yi-Fan Chen
- Graduate School of Information Science and Technology, Hokkaido University
| | - Hideyuki Imai
- Graduate School of Information Science and Technology, Hokkaido University
| | - Masahiro Mizuta
- Graduate School of Information Science and Technology, Hokkaido University
| | - Zhen Chen
- Faculty of Health Sciences, Hokkaido University
| | - Hitoshi Chiba
- Department of Nutrition, Sapporo University of Health Sciences
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Satoh M, Ishige T, Ogawa S, Nishimura M, Matsushita K, Higashi T, Nomura F. Development and validation of the simultaneous measurement of four vitamin D metabolites in serum by LC–MS/MS for clinical laboratory applications. Anal Bioanal Chem 2016; 408:7617-7627. [DOI: 10.1007/s00216-016-9821-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/06/2016] [Accepted: 07/21/2016] [Indexed: 11/30/2022]
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Bonelli P, Buonocore R, Aloe R, Lippi G. Blood Sampling Seasonality as an Important Preanalytical Factor for Assessment of Vitamin D Status. J Med Biochem 2016; 35:113-117. [PMID: 28356869 PMCID: PMC5346786 DOI: 10.1515/jomb-2015-0014] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 08/09/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND The measurement of vitamin D is now commonplace for preventing osteoporosis and restoring an appropriate concentration that would be effective to counteract the occurrence of other human disorders. The aim of this study was to establish whether blood sampling seasonality may influence total vitamin D concentration in a general population of Italian unselected outpatients. METHODS We performed a retrospective search in the laboratory information system of the University Hospital of Parma (Italy, temperate climate), to identify the values of total serum vitamin D (25-hydroxyvitamin D) measured in outpatients aged 18 years and older, who were referred for routine health check-up during the entire year 2014. RESULTS The study population consisted in 11,150 outpatients (median age 62 years; 8592 women and 2558 men). The concentration of vitamin D was consistently lower in samples collected in Winter than in the other three seasons. The frequency of subjects with vitamin D deficiency was approximately double in samples drawn in Winter and Spring than in Summer and Autumn. In the multivariate analysis, the concentration of total vitamin D was found to be independently associated with sex and season of blood testing, but not with the age of the patients. CONCLUSIONS According to these findings, blood sampling seasonality should be regarded as an important preanalytical factor in vitamin D assessment. It is also reasonable to suggest that the amount of total vitamin D synthesized during the summer should be high enough to maintain the levels > 50 nmol/L throughout the remaining part of the year.
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Affiliation(s)
- Patrizia Bonelli
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
| | - Ruggero Buonocore
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
| | - Rosalia Aloe
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
| | - Giuseppe Lippi
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
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A review of chromatographic methods for the determination of water- and fat-soluble vitamins in biological fluids. J Sep Sci 2016. [DOI: 10.05310.1002/jssc.201501038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Karaźniewicz-Łada M, Główka A. A review of chromatographic methods for the determination of water- and fat-soluble vitamins in biological fluids. J Sep Sci 2015; 39:132-48. [DOI: 10.1002/jssc.201501038] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 10/14/2015] [Accepted: 10/15/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Marta Karaźniewicz-Łada
- Department of Physical Pharmacy and Pharmacokinetics; Poznan University of Medical Sciences; Poznań Poland
| | - Anna Główka
- Department of Bromatology; Poznan University of Medical Sciences; Poznań Poland
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Le Goff C, Cavalier E, Souberbielle JC, González-Antuña A, Delvin E. Measurement of circulating 25-hydroxyvitamin D: A historical review. Pract Lab Med 2015; 2:1-14. [PMID: 28932799 PMCID: PMC5597717 DOI: 10.1016/j.plabm.2015.04.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/24/2015] [Accepted: 04/16/2015] [Indexed: 11/26/2022] Open
Abstract
The constantly increasing requests for the measurement of serum 25-hydroxyvitamin D over the last years has led reagent manufacturers to market different automated and semi-automated methods, that being unfortunately not fully harmonized, yield different results. Liquid chromatography coupled to tandem mass spectrometry (LC/MS2) has more recently been introduced. This approach allows the distinction between the two forms of 25-hydroxyvitamin D and to measure other metabolites. This approach also requires harmonization to curtail the differences between the different analytical methods. To meet this requirement, the American National Institutes of Health (NIH), the Centre for Disease Control and Prevention (CDC) in Atlanta, the National Institute of Standards and Technology (NIST) and the vitamin D Reference laboratory of Ghent University have pooled their expertise to develop a standardization program. This article reviews the main elements and the difficulties of the automated and semi-automated methods for 25-hydroxyvitamin D, from sample preparation to the analytical phase, as well as those related to mass spectrometry. It also emphasizes the need for standardization to better define the clinical decision thresholds of vitamin D nutritional status.
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Affiliation(s)
- C. Le Goff
- Service de Chimie Clinique, CHU de Liège, Belgium
| | - E. Cavalier
- Service de Chimie Clinique, CHU de Liège, Belgium
| | - J.-C. Souberbielle
- Service des Explorations Fonctionnelles Hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | | | - E. Delvin
- Centre de Recherche, CHU Sainte-Justine, 3175 Côte Sainte-Catherine, Montréal, Québec, Canada H3T 1C5
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Meunier C, Montérémal J, Faure P, Ducros V. Four years of LC–MS/MS method for quantification of 25-hydroxyvitamin D (D2+D3) for clinical practice. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 989:54-61. [DOI: 10.1016/j.jchromb.2015.02.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 02/07/2015] [Accepted: 02/28/2015] [Indexed: 01/29/2023]
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Borai A, Bahijri S, Livingstone C, Nawajha M, Bawazeer A, Baarmah Z, Shanaa A, Kadam I, Abdelaal M. Assessment of Becton Dickinson Plain and Serum Separator Tubes in Measurement of 25-Hydroxyvitamin D3 (25OHD3) by HPLC and Immunoassay Methods. J Clin Lab Anal 2014; 30:32-5. [PMID: 25278163 DOI: 10.1002/jcla.21805] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 07/28/2014] [Accepted: 08/11/2014] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND The accuracy of 25-hydroxyvitamin D3 (25OHD3) measurement on specimens collected into serum separator tubes (SSTs) has been questioned because of possible interference by the gel. Possible interference was investigated in SSTs from Becton Dickinson (BD). DESIGN AND METHODS Blood specimens were collected simultaneously from 50 normal subjects into plain tubes and SSTs. 25OHD3 was assayed on serum using high performance liquid chromatography (Chromsystems), and Architect (Abbott) and Liaison (Diasorin) immunoassays. RESULTS There were no significant differences between 25OHD3 results (means ± SE, nmol/l) obtained from specimens collected into plain tubes and SSTs assayed by HPLC (39.0 ± 2.7 vs. 39.3 ± 2.7), Liaison (32.9 ± 2.2 vs. 32.8 ± 2.3), or Architect (43.1 ± 2.8 vs. 43.2 ± 2.8). In specimens collected into plain tubes and SSTs, 25OHD3 measurements by HPLC correlated significantly (P < 0.0001) with those from the Architect (r = 0.895, r = 0.908) and Liaison (r = 0.907, r = 0.913), respectively. CONCLUSIONS The gel in SSTs (BD) does not interfere with the measurement of 25OHD3 by HPLC or common immunoassays. This important finding may enable clinical laboratories to make cost savings by using SSTs without concerns about inaccuracy.
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Affiliation(s)
- Anwar Borai
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Suhad Bahijri
- Department of Clinical Biochemistry, Faculty of Medicine and Nutrition and Food Research Unit, King Fahd Medical Research Center, Jeddah, Saudi Arabia
| | - Callum Livingstone
- Department of Clinical Biochemistry, Royal Surrey County Hospital NHS Trust, Guildford, UK
| | - Mustafa Nawajha
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Ali Bawazeer
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Ziad Baarmah
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Ahmed Shanaa
- King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
| | - Ibrahim Kadam
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Mohamed Abdelaal
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Pathology King Abdulaziz Medical City, Jeddah, Saudi Arabia
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Abstract
The occurrence of vitamin D deficiency has become an issue of serious concern in the worldwide population. As a result numerous analytical methods have been developed, for a variety of matrices, during the last few years to measure vitamin D analogs and metabolites. This review employs a comprehensive search of all vitamin D methods developed during the last 5 years for all applications, using ISI Web of Science(®), Scifinder(®), Science Direct, Scopus and PubMed. Particular emphasis is given to sample-preparation methods and the different forms of vitamin D measured across different fields of applications such as biological fluids, food and pharmaceutical preparations. This review compares and critically evaluates a wide range of approaches and methods, and hence it will enable readers to access developments across a number of applications and to select or develop the optimal analytical method for vitamin D for their particular application.
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Nomura F. [New era of laboratory testing. Topics: I. Generals; 3. Applications of mass spectrometry to laboratory medicine]. NIHON NAIKA GAKKAI ZASSHI. THE JOURNAL OF THE JAPANESE SOCIETY OF INTERNAL MEDICINE 2013; 102:3096-3102. [PMID: 24605556 DOI: 10.2169/naika.102.3096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Affiliation(s)
- Fumio Nomura
- Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University, Japan and Divisions of Laboratory Medicine, Clinical Genetics and Proteomics Chiba University Hospital, Japan
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