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DHEW Health Research Principles: [pt.1.] Documents relating to the development of draft health research principles for the Department of Health, Education, and Welfare
National Institutes of Health (U.S.)
出版Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, 1979
URLhttp://books.google.com.hk/books?id=N99uFLbJH-YC&hl=&source=gbs_api
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