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Kengne MF, Tsobeng OD, Dadjo BST, Kuete V, Mbaveng AT. Multidrug Resistant Enteric Bacteria from Cancer Patients Admitted in Douala Laquintinie Hospital, Littoral Region of Cameroon. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2024; 2024:2084884. [PMID: 39036470 PMCID: PMC11259499 DOI: 10.1155/2024/2084884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 05/16/2024] [Accepted: 06/22/2024] [Indexed: 07/23/2024]
Abstract
Patients with cancer have weakened immune systems, making them more vulnerable to infections. This study was carried out to determine the bacterial origins of enteric disorders in cancer patients and noncancer patients at the Oncology Department of Laquintinie Hospital in Douala. A cross-sectional study was conducted from October 2021 to March 2023. Stool samples from 307 cancer patients with enteric disorders and 200 noncancer patients with enteric disorders were examined to diagnose the presence of bacteria using various techniques. Among all participants in this study, 62.13% were female and 37.87% were male. The average age of the participants was 46.38 ± 15.81 years, with a minimum age of 10 years and a maximum age of 84 years. The average age of participants was significantly higher (p < 0.000) in cancer patients (49.54 ± 14.65 years) compared to noncancer patients (41.53 ± 16.33 years). Proteus mirabilis, Proteus vulgaris, Salmonella typhi, Enterobacter cloacae, Klebsiella pneumoniae, Yersinia intemedia, and Klebsiella oxytoca were more frequently isolated in cancer patients than in noncancer patients, with the respective percentages of 56.25% versus 43.75%, 50.00% versus 50.00%, 61.66% versus 38.34%, 66.66% versus 33.34%, 72.22% versus 27.78%, 80.00 versus 20.00%, and 100% versus 0.00%. Most isolates were sensitive to imipenem (IMP), gentamicin (GEN), and amikacin (AMK). Proteus vulgaris, the most prevalent isolate, showed significantly high resistance (with p < 0.05) in cancer patients compared to noncancer patients at amoxicillin/clavuranic acid (AMC) (89.13% versus 41.30%), ceftriaxone (CTR) (63.04% versus 39.13%), ciprofloxacin (CIP) (65.22% versus 34.18%), and tetracycline (TET) (93.48% versus 63.04%). Multidrug resistance was observed in cancer patients compared to noncancer patients for Klebsiella pneumoniae (85.00% versus 60.00%), Salmonella typhi (84.62% versus 60.00%), and Klebsiella oxytoca (86.49% versus 43.48%). The increase in the number of Gram-negative infections among cancer patients, as shown in the present study, highlights the need for broad-spectrum therapy and effective planning of control programs to reduce bacterial diseases among cancer patients.
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Affiliation(s)
- Michael F. Kengne
- Department of BiochemistryFaculty of ScienceUniversity of Dschang, Dschang, Cameroon
| | - Ornella D. Tsobeng
- Department of BiochemistryFaculty of ScienceUniversity of Dschang, Dschang, Cameroon
| | - Ballue S. T. Dadjo
- Department of BiochemistryFaculty of ScienceUniversity of Dschang, Dschang, Cameroon
| | - Victor Kuete
- Department of BiochemistryFaculty of ScienceUniversity of Dschang, Dschang, Cameroon
| | - Armelle T. Mbaveng
- Department of BiochemistryFaculty of ScienceUniversity of Dschang, Dschang, Cameroon
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Almasian Tehrani N, Azimi L, Armin S, Soleimani N, Fallah F, Karimi A, Shamsian BS, Nazari S, Alebouyeh M. Endogenous Bacteremia Caused by Intestinal Colonization of Carbapenem-Resistant Enterobacteriaceae (CR E) in Immunocompromised Children. Trop Med Infect Dis 2023; 8:402. [PMID: 37624340 PMCID: PMC10458169 DOI: 10.3390/tropicalmed8080402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/24/2023] [Accepted: 08/04/2023] [Indexed: 08/26/2023] Open
Abstract
OBJECTIVE Carbapenem-resistant Enterobacteriaceae (CRE) infection is life-threatening, especially for immunocompromised children. The source tracking of CRE could prevent bacteremia during hospitalization. In this study, the intestinal colonization of CRE and their translocation to blood were investigated. METHODS Stool samples from immunocompromised pediatric patients were collected after admission, and secondary stool and blood samples were collected in case of fever. After CRE phonotypic detection, the OXA-48, NDM-1, VIM, IMP, and KPC genes were detected by PCR. Enterobacterial Repetitive Intergenic Consensus Polymerase Chain Reaction (ERIC-PCR) was used to determine the phylogenic relatedness of the blood and fecal isolates. RESULTS Bacteremia was recorded in 71.4% of the patients. Enterobacteriaceae spp. were recorded in 100% of the stool samples and 31% of the blood samples. The correlation between the length of stay (LOS), days of fever, chemotherapy regimens, and death rate was significant (p-value ≤ 0.05). OXA-48 was present in all CRE isolates in both the primary and the secondary stool samples and the blood samples. According to the phylogenetic data, 58.33% of the patients with bacteremia had identical blood and stool isolates. The death rate was 24.4% in children with CRE bacteremia. CONCLUSIONS The primary intestinal colonization with CRE in immunocompromised pediatrics and their translocation to blood was established in this study. The implementation of infection control programs and the application of infection prevention strategies for immunocompromised children is necessary.
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Affiliation(s)
- Nasim Almasian Tehrani
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
- Department of Microbiology and Microbial Biotechnology, Shahid Beheshti University, Tehran 1983969411, Iran
| | - Leila Azimi
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Shahnaz Armin
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Neda Soleimani
- Department of Microbiology and Microbial Biotechnology, Shahid Beheshti University, Tehran 1983969411, Iran
| | - Fatemeh Fallah
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Abdollah Karimi
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Bibi Shahin Shamsian
- Pediatric Congenital Hematologic Disorders Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Shiva Nazari
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
| | - Masoud Alebouyeh
- Pediatric Infections Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran 1546815514, Iran
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Vaez H, Kalarestaghi H, Sahebkar A, Khademi F. Prevalence of antibiotic resistance of Proteus species in urinary tract infections in Iran: A systematic review and meta-analysis. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2022.101632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Sharma S, Magar PT, Achhami S, Hamal P, Chapagain B, Jaiswal S, Tiwari BR. Bacterial profiling and antibiotic-resistant pattern among cancer patients. CLINICAL CANCER INVESTIGATION JOURNAL 2022. [DOI: 10.51847/qkqoeuw5wi] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Multidrug-Resistant and Carbapenemase-Producing Enterobacteriaceae in Addis Ababa, Ethiopia. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9999638. [PMID: 34195291 PMCID: PMC8214486 DOI: 10.1155/2021/9999638] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 11/18/2022]
Abstract
Background The emergence and spread of multi-drug resistant (MDR) bacteria have become a public health problem in recent years. For the last many years, carbapenem antibiotics have been used successfully to treat infections caused by MDR Enterobacteriaceae. However, recently, Enterobacteriaceae producing carbapenemases have emerged, which confer broad resistance to most β-lactam antibiotics including carbapenems. Therefore, this study is aimed at determining the magnitude of MDR and carbapenemase-producing Enterobacteriaceae (CPE) isolated from various clinical specimens in Addis Ababa, Ethiopia. Methods A cross-sectional study was conducted from January to April 2018. A total of 312 Enterobacteriaceae isolates were identified from various clinical specimens. The Phoenix automated system (BD Phoenix100) was used for bacterial identification and antimicrobial susceptibility testing. Potential carbapenemase producers were confirmed by the modified carbapenem inactivation test, and KPC, MBL, and OXA-48 were phenotypically characterized by the disk diffusion method. The data obtained were entered and analyzed using SPSS version 20 software. Descriptive statistics, chi square, bivariate and multivariable logistic regression analyses were performed. P value ≤ 0.05 with corresponding 95% confidence interval was considered for statistical significance. Results A total of 312 Enterobacteriaceae were recovered. Of these isolates, 68.6% were MDR and 2.6% were CPE with different classes including OXA-48 1.6% (5/312), MBL 0.6% (2/312), and KPC and OXA-48 0.3% (1/312). The predominant bacterial isolates were E. coli 72.4% (226/312) followed by K. pneumoniae 13.8% (43/312). The antibiotic resistance rates of CPE isolates were significantly higher than other MDRE including ampicillin (100% versus 77.6%), cefoxitin (75% versus 20.6%), and piperacillin/tazobactam (50% versus 13.1%). Conclusion In this study, a relatively higher prevalence of MDR was observed, and the highest resistance was recorded against ampicillin, amoxicillin with clavulanic acid, and sulfamethoxazole-trimethoprim. Detection of CPE is important for implementing appropriate antimicrobial therapy and in controlling the spread of the infection. Furthermore, continuous screening and investigations, including genotypic characterization of CPE, are required for the prevention and control of the spread of antimicrobial-resistant pathogens.
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Bacterial Profile and Antibiotic Resistance among Cancer Patients with Urinary Tract Infection in a National Tertiary Cancer Hospital of Nepal. Trop Med Infect Dis 2021; 6:tropicalmed6020049. [PMID: 33924726 PMCID: PMC8167765 DOI: 10.3390/tropicalmed6020049] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/24/2021] [Accepted: 03/24/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer patients are at high risk of antibiotic resistant bacterial urinary tract infections (UTIs). In this study, we assessed the bacterial profile and antibiotic resistance among cancer patients suspected of UTI in B.P. Koirala Memorial Cancer Hospital in Nepal through a cross-sectional study with routinely collected data. All cancer patients who had a recorded urine culture between July 2018-June 2019 were included in the study. Out of 308 patients who had undergone culture, 73 (24%) of samples had bacterial growth. The most common organisms isolated were E. coli (58%), Staphylococcus (11%) and Klebsiella (10%). These bacteria had undergone susceptibility testing to 27 different antibiotics in various proportions. Of the limited antibiotic testing levels, nitrofurantoin (54/66, 82%) and amikacin (30/51, 59%) were the most common. Among those tested, there were high levels of resistance to antibiotics in the "Access" and "Watch" groups of antibiotics (2019 WHO classification). In the "Reserve" group, both antibiotics showed resistance (polymyxin 15%, tigecycline 8%). Multidrug resistance was seen among 89% of the positive culture samples. This calls for urgent measures to optimize the use of antibiotics in UTI care at policy and health facility levels through stewardship to prevent further augmentation of antibiotic resistance among cancer patients.
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Multicentre study of the main carbapenem resistance mechanisms in important members of the Enterobacteriaceae family in Iran. New Microbes New Infect 2021; 41:100860. [PMID: 33912349 PMCID: PMC8066762 DOI: 10.1016/j.nmni.2021.100860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/19/2021] [Accepted: 03/04/2021] [Indexed: 01/22/2023] Open
Abstract
Resistance to carbapenems has been increasingly reported from the Enterobacteriaceae family, with different mechanisms in different geographic parts of the world. This study investigated the mechanisms of carbapenem resistance in Escherichia coli, Klebsiella pneumoniae and Enterobacter spp. carried out as a multicentre study (n = 10). All third-generation cephalosporin-resistant E. coli, K. pneumoniae and Enterobacter spp. that had been recovered from the selected provinces were included. Modified Hodge test and Carba NP test were done as a phenotypical method for detection of carbapenemase; the most common carbapenemase was detected by PCR. We evaluated the presence of an active efflux pump by using cyanide 3-chlorophenylhydrazone. Overexpression of AcrA/B and presence of OqxAB was detected by real-time PCR and conventional PCR respectively. Microorganisms in this study included 58 E. coli, 95 K. pneumoniae and 60 Enterobacter spp. Modified Hodge test showed a sensitivity of 41% and a specificity of 83%, and the Carba NP test showed a sensitivity of 26% and a specificity of 92% for detection of carbapenemase. OXA-48 was the most frequently detected carbapenemase, followed by NDM-1. Thirty-nine percent and 27% of positive cyanide 3-chlorophenylhydrazone test organisms included active AcrA/B and OqxAB efflux pumps respectively. The result showed the Carba NP test was more specific than MHT. Data confirmed the involvement of AcrA/B and OqxAB efflux pump as a carbapenem resistance mechanism in selected bacteria. Similar to other reports from the Middle East, we found OXA-48 and NDM-1 to be the most frequent carbapenemase.
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Sime WT, Biazin H, Zeleke TA, Desalegn Z. Urinary tract infection in cancer patients and antimicrobial susceptibility of isolates in Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia. PLoS One 2020; 15:e0243474. [PMID: 33301465 PMCID: PMC7728278 DOI: 10.1371/journal.pone.0243474] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 11/21/2020] [Indexed: 11/30/2022] Open
Abstract
Background Urinary tract infections are the most common causes of morbidity and mortality in patients with cancer. The emergence of multiple-drug-resistant (MDR) strains of gram-negative bacteria causing urinary tract infection has become a serious concern in cancer patients. Therefore, the present study aimed to determine the spectrum and antibiotic resistance pattern of bacterial isolates related to urinary tract infections among cancer patients at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia. Methods and materials Hospital based prospective cross-sectional study was conducted for three months from January to March 2018 in tertiary care hospital located in the capital city of the country. Gram-negative bacteria isolated from urine specimens from hospitalized patients with cancer were characterized using standard microbiological methods. Modified Kirby–Bauer disk diffusion technique was applied for antimicrobial susceptibility testing in accordance with CLSI 2019 criteria. Results Of totally 292 urine samples tested, eighteen (6.3%) were culture positive cases, Escherichia coli (44.4%) was the highest proportion isolated uropathogen followed by Klebsiella pneumoniae (22.2%) and Citrobacter diversus (16.7%). The antibiotic susceptibility results showed meropenem and nitrofurantoin as the most effective antibiotics for E. coli, K. pneumoniae, and Citrobacter diversus isolates. The rate of multidrug resistant (MDR) isolates were 33.3% (6/18), and meropenem and nitrofurantoin were the most effective antibiotic against MDR isolates. Conclusion The study findings showed a significant distribution of MDR gram-negative bacteria which may increase the burden of urinary tract associated infections in cancer patients. Carbapenem (meropenem) can be considered as effective agents to treat MDR cases in our region.
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Affiliation(s)
- Wondewosen Tseagye Sime
- Department of Microbiology Immunology and Parasitological, St. Paul's Hospital Millennium Medical College, Addis Ababa, Ethiopia
- * E-mail:
| | - Habtamu Biazin
- Department of Microbiology Immunology and Parasitological, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
| | - Tamrat Abebe Zeleke
- Department of Microbiology Immunology and Parasitological, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
| | - Zelalem Desalegn
- Department of Microbiology Immunology and Parasitological, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
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Antimicrobial Resistance Profiles for Different Isolates in Aden, Yemen: A Cross-Sectional Study in a Resource-Poor Setting. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1810290. [PMID: 32382529 PMCID: PMC7195635 DOI: 10.1155/2020/1810290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/02/2020] [Indexed: 11/17/2022]
Abstract
Background There is a rapid deterioration in the effectiveness of antibiotics due to the global prevalence of bacterial antimicrobial resistance (AMR). AMR can cause an increase in mortality and morbidity due to treatment failures and a lack of effective therapy. Objective The purpose of this study was to evaluate the AMR pattern of different bacterial isolates at hospitals and laboratories. Materials and Methods A cross-sectional study from March 2019 to June 2019 was conducted at different governmental and private hospitals and laboratories in Aden, Yemen. Age, sex, specimen type, bacterial isolates, and antibiotic susceptibility pattern were collected using a data extraction sheet. Descriptive statistics were used for data analysis. Result Data were recorded for 412 patients from whom 20 clinical specimens were collected and analyzed. The most common bacteria isolated were Staphylococcus spp. (n = 172, 41.74%), E. coli (n = 164, 39.80%), Pseudomonas spp. (n = 37, 8.98%), and Klebsiella pneumoniae (n = 18, 4.36%); other bacteria were less common. The overall bacterial resistance was highest against the combination of sulfamethoxazole with trimethoprim (73.12%), followed by amoxicillin and clavulanate (65.19%). The cephalosporin antibiotics also showed high resistance rates. The study also showed moderate bacterial resistance to gentamycin (32.65%), azithromycin (29.92%), cefoxitin (62.65%), and ciprofloxacin (25.60%). Ertapenem (16.67%) and levofloxacin (15.56%) had the lowest resistance rates. Conclusion There was a high percentage of bacteria resistant to several antibiotics. Antibiotic susceptibility testing is a prerequisite guide for the selection of appropriate antibiotic therapy for bacterial infections.
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Nosheen S, Bukhari NI, Ejaz H, Abbas N. Antibiogram and recent incidence of multi-drug resistant carbapenemase producing Escherichia coli isolated from paediatric patients. Pak J Med Sci 2020; 36:246-250. [PMID: 32063968 PMCID: PMC6994894 DOI: 10.12669/pjms.36.2.928] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Objective: To gauge the recent breadth of MDR E. coli along with antibiogram of carbapenemase producing (CP) E. coli among children from an institute which receives patients from all over Punjab. Methods: The bacterial strains of E. coli isolated from various specimens of patients were collected from April 2017 to August 2018 and processed using standard biochemical tests and API 20E system (bioMerieux). Phenotypic screening for CP E. coli was done by the modified Hodge test, whereas antibiotic susceptibility testing was done with Kirby-Bauer disc diffusion technique. Results: Total of 6,468 bacterial strains were isolated, out of which 1,552 (24%) were E. coli. Carbapenem resistance was observed in 245 (16%) strains, amongst which 113 (46%) were confirmed to be CP. E. coli isolated from males were higher as compared to females (p<0.05). Majority of the organisms were isolated from blood (37.2%) samples. The hospital discharged about 65% of patients, while 23% left against medical advice. Overall MDR amongst E. coli was 93.26%. Colistin sulphate (15.9%) and nitrofurantoin (16.8%) showed the most efficacy followed by amikacin (15%) and fosfomycin (10.6%). Conclusion: The isolation of high number of MDR E. coli amongst the paediatric patients is worrisome, which could serve as a potential source of horizontal genes transfer to other genera.
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Affiliation(s)
- Sumbal Nosheen
- Dr. Sumbal Nosheen, M.Phil. Punjab University College of Pharmacy (PUCP), University of the Punjab, Lahore, Pakistan
| | - Nadeem Irfan Bukhari
- Dr. Nadeem Irfan Bukhari, Ph.D. Punjab University College of Pharmacy (PUCP), University of the Punjab, Lahore, Pakistan
| | - Hasan Ejaz
- Dr. Hasan Ejaz, Ph.D. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Nasir Abbas
- Dr. Nasir Abbas, Ph.D. Punjab University College of Pharmacy (PUCP), University of the Punjab, Lahore, Pakistan
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Anush K, Shushanik K, Susanna T, Ashkhen H. Antibacterial Effect of Silver and Iron Oxide Nanoparticles in Combination with Antibiotics on E. coli K12. BIONANOSCIENCE 2019. [DOI: 10.1007/s12668-019-00640-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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