1. VD: sometimes penicillin doesn't work Publication: [United States? : s.n., between 1939 and 1945] Subject(s): Sexually Transmitted Diseases -- prevention & controlPenicillins
2. VD: sometimes penicillin doesn't work Publication: [Washington, D.C.] : U.S. Government Printing Office, [between 1939 and 1945] Subject(s): Sexually Transmitted Diseases -- prevention & controlPenicillins