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外文期刊>American Journal of Tropical Medicine and Hygiene
>Quadriennial Report of the Director of the Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1954-1957, and the 1957 Annual Report: by FRED L. SOPER, M.D., Director, PASB. 238 pages, illustrated. Washington, D. C., Pan American Sanitary Bureau, 1958
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Quadriennial Report of the Director of the Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1954-1957, and the 1957 Annual Report: by FRED L. SOPER, M.D., Director, PASB. 238 pages, illustrated. Washington, D. C., Pan American Sanitary Bureau, 1958
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机译：1954-1957年世界卫生组织区域办事处泛美卫生局局长的四年期报告和1957年年度报告：PASB主任FRED L. SOPER，医学博士。 238页，图示。华盛顿特区，泛美卫生局，1958年
