Não informado. (1927). Collected papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation.
Chicago-viite (17. p.)Não informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. New York: Rockefeller Foundation, 1927.
MLA-viite (8. p.)Não informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation, 1927.
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