Não informado. (1920). Archives of Dermatology and Syphilology. American Medical Association.
Chicago-referens (17:e uppl.)Não informado. Archives of Dermatology and Syphilology. Chicago, Ill: American Medical Association, 1920.
MLA-referens (8:e uppl.)Não informado. Archives of Dermatology and Syphilology. American Medical Association, 1920.
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