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Science in Progress

JAMA. 1945;128(9):695. doi:10.1001/jama.1945.02860260069036.
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ABSTRACT

This volume is the fourth of a series which makes available Sigma Xi lectures dealing with fields in which there has been great progress. The scientistwill find these lectures uniformly of high quality. The authors are the men who themselves have been in the forefront of research. The book is excellently printed, with numerous black and white and colored illustrations. The subjects especially involved in the present volume which would be of interest to physicians include psychologic aspects of military aviation, by Walter R. Miles; the physical structure and biologic action of nerve cells, by Detlev W. Bronk; energy and vision, by Selig Hecht; chemical transmission of nerve impulses, by Otto Loewi; present status of the vitamin B complex, by C. A. Elvehjem, and blood and blood derivatives, by Edwin J. Cohn.

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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