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Start Over Collections World War 2, 1939-1949 ✖Remove constraint Collections: World War 2, 1939-1949 Subjects Syphilis Serodiagnosis ✖Remove constraint Subjects: Syphilis Serodiagnosis Authors United States. Public Health Service. Division of Venereal Diseases, author. ✖Remove constraint Authors: United States. Public Health Service. Division of Venereal Diseases, author.