976
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Yang SL, Okamura H, Beer AE. The effect of estrogen on collagen synthesis at the site of a skin autograft. Am J Obstet Gynecol 1973; 116:694-7. [PMID: 4123353 DOI: 10.1016/s0002-9378(15)33137-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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977
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Okamura H. [Re-evaluation of capillary microscope as a means of diagnosis]. SHIGAKU = ODONTOLOGY; JOURNAL OF NIHON DENTAL COLLEGE 1973; 61:35-53. [PMID: 4515196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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978
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Okazaki T, Okamura H, Nishimura T. Collagenolytic activity in rat ovary during ovulation. ACTA OBSTETRICA ET GYNAECOLOGICA JAPONICA 1973; 20:112-7. [PMID: 4375928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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979
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Hosoi Y, Okamura H, Nakamura J, Sagara T, Matsuoka A. [Anesthetic management in open-heart surgery with profound hypothermia, with special reference to the cooling process]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1973; 26:91-9. [PMID: 4734926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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980
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Abstract
It has long been assumed that the superior vocal ability of the trained professional singer arose from a higher than average breathing capacity and consequent above-normal ventilatory efficiency. However, until now, it has not been clear whether this presumed superior pulmonary capacity and breathing efficiency arose from training, from heredity, or from other factors. To clarify the role of training (and by inference that of other factors also) upon the capacity for singing, various indices reflecting static lung volumes, as distinguished from dynamic parameters measured during the act of singing, in trained professional singers, students of voice and subjects with no vocal training, were compared. Results indicated that contrary to reports by others, there were no significant differences in the total lung capacity (TLC) of the trained professional singer and that of the other two groups when allowances were made for age and sex; but when the ability to mobilize or utilize TLC was compared, it was found that the trained singer was much better able to do this than either of the other two groups. Specifically, it was found that the ratio of the residual lung volume (RV) (the amount of air remaining in the lungs at the end of a total voluntary expiration) to TLC was lower in the trained singer than in the students of voice, and that these students, in turn, had a lower RV/TLC ratio than the untrained subjects. These findings, therefore, suggest that the increased singing ability of the trained professional singer arises in large part from the ability to increase breathing efficiency by reducing the residual lung volume and, further, that this ability tends to improve with length of vocal training.
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981
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Nakajima T, Abe T, Okamura H. Mechanism of vitamin B 12 malabsorption in blind loop syndrome: bacterial uptake of vitamin B 12 and stability of binding of vitamin B 12 to gastric intrinsic factor. THE BULLETIN OF TOKYO MEDICAL AND DENTAL UNIVERSITY 1972; 19:311-31. [PMID: 4569981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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982
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Azab I, Okamura H, Beer A. Decidual cell production of human placental fibrinoid. Obstet Gynecol 1972; 40:186-93. [PMID: 4114851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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983
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Yamashita J, Okamura H, Nakamura T, Sagara T, Matsuoka A. [Open heart surgery of adult patients using simple deep hypothermia]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 1972; 25:585-92. [PMID: 4674329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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984
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Okamura H, Yang SL, Wright KH, Wallach EE. The effect of prostaglandin F 2 on the corpus luteum of the pregnant rat. An ultrastructural study. Fertil Steril 1972; 23:475-83. [PMID: 5036594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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985
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Udupa KB, Okamura H, Reissmann KR. Granulopoiesis during myleran-induced suppression of transplantable hen atopoietic stem cells. Blood 1972; 39:317-25. [PMID: 5059646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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986
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Okamura H, Virutamasen P, Wright KH, Wallach EE. Ovarian smooth muscle in the human being, rabbit, and cat. Histochemical and electron microscopic study. Am J Obstet Gynecol 1972; 112:183-91. [PMID: 4109398 DOI: 10.1016/0002-9378(72)90114-7] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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987
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Komiya M, Abe S, Nakajima T, Okamura H. [Pernicious anemia in adults with special reference to its etiology]. NAIKA. INTERNAL MEDICINE 1971; 27:939-46. [PMID: 4929389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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988
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Manabe Y, Okamura H, Yoshida Y. Bougie-induced abortion at mid-pregnancy and placental function: histological and histochemical study of the placenta. ENDOKRINOLOGIE 1971; 57:389-94. [PMID: 5088241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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989
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Yamashita J, Okamura H. [Experimental study on premedication for fluothane and penthrane anesthesia]. MASUI. THE JAPANESE JOURNAL OF ANESTHESIOLOGY 1971; 20:279-89. [PMID: 5165036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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990
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Okamura H. [Light and electron microscopic studies on localization of human placental delta 5-3 beta-hydroxysteroid dehydrogenase activities]. NIHON SANKA FUJINKA GAKKAI ZASSHI 1971; 23:282-8. [PMID: 5104646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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991
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Okamura H, Udupa KB, Reissmann KR. On the mechanism of erythropoietic action of hemoglobin and its derivatives. PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE. SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE (NEW YORK, N.Y.) 1971; 136:794-7. [PMID: 5555373 DOI: 10.3181/00379727-136-35367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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992
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Reissmann KR, Udupa KB, Okamura H. Effect of endotoxin on normal and 5-fluorouracil-suppressed hematopoietic stem cells. THE JOURNAL OF LABORATORY AND CLINICAL MEDICINE 1970; 76:652-8. [PMID: 5458027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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993
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Okamura H. [Function of the recovery room and basic concepts of postoperative care]. [KANGO GIJUTSU] : [NURSING TECHNIQUE] 1969; 11:9-17. [PMID: 5197498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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994
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Sezaki T, Okamura H, Nakamura T, Sagara T, Matsuoka A. [Clinical study of gallamine triethiodide in cardiotomy under simple extreme hypothermia]. MASUI. THE JAPANESE JOURNAL OF ANESTHESIOLOGY 1969; 18:863-70. [PMID: 5389154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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995
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Okamura H. Inhalation anesthesia for simple deep hypothermia induced by surface cooling. MEDICAL JOURNAL OF OSAKA UNIVERSITY 1969; 20:29-79. [PMID: 4916654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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996
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Yamashita J, Okamura H, Sagara T, Nakamura T, Sezaki T. [Study on penthrane anesthesia, with special emphasis on our semi-closed anesthetic method]. MASUI. THE JAPANESE JOURNAL OF ANESTHESIOLOGY 1969; 18:210-5. [PMID: 5816265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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997
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Isshiki N, Okamura H, Tanabe M, Morimoto M. Differential diagnosis of hoarseness. FOLIA PHONIATRICA 1969; 21:9-19. [PMID: 5771117 DOI: 10.1159/000263230] [Citation(s) in RCA: 85] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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998
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Hayashi K, Okamura H, Tani T. [Significance of the anterior pituitary in the ovum implantation mechanism]. HORUMON TO RINSHO. CLINICAL ENDOCRINOLOGY 1968; 16:880-7. [PMID: 5752183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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999
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Okamura H. Effects of various oral gestagens on liver function. JOURNAL OF THE JAPANESE OBSTETRICAL & GYNECOLOGICAL SOCIETY 1968; 15:177-93. [PMID: 5705316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1000
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Tojo S, Hayashi K, Okamura H, Nishikawa Y, Kondo C. [Experimental studies on the mechanism of contraceptive action of norethindrone mestranol]. HORUMON TO RINSHO. CLINICAL ENDOCRINOLOGY 1968; 16:461-5. [PMID: 5749762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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