title: The Wassermann positive rate of cases from hospitals and venereal clinics of Calcutta in 1939, 1943, 1944 and 1945.
authors.forename: S D S
authors.initials: SD
authors.lastname: GREVAL
authors.forename: A B R
authors.initials: AB
authors.lastname: CHOWDHURY
authors.forename: B C
authors.initials: BC
authors.lastname: DAS
mesh_terms: D001699:Biometry; D006761:Hospitals; D007194:India; D013587:Syphilis / Q000453:epidemiology* / Q000706:statistics & numerical data*
keywords: SYPHILIS/epidemiology and statistics