作者: R. A. Natvig , O. E. Skaug
DOI: 10.3109/00365515709088112
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摘要: AbstractThis work was supported by Contract H-1142 (C-4) with the Department of Health, Education, and Welfare, U. S. Public Health Service, National Institutes Bethesda, Maryland, DA 49–007-MD-435 Army, Office Surgeon General, Medical Research Development Board, Washington, D. C.