Não informado. Publications of the International Health Board. Rockefeller Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Publications of the International Health Board. New York: Rockefeller Foundation.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Publications of the International Health Board. Rockefeller Foundation.
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