Não informado. (1939). Bulletin of the History of Medicine. American Association of the History of Medicine.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the History of Medicine. Baltimore, Md: American Association of the History of Medicine, 1939.
MLA-referens (8:e uppl.)Não informado. Bulletin of the History of Medicine. American Association of the History of Medicine, 1939.
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