Não informado. (1951). Collected papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation.
Chicago-viite (17. p.)Não informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. New York: Rockefeller Foundation, 1951.
MLA-viite (8. p.)Não informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation, 1951.
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