title: Action of penicillin, especially on Treponema pallidum.
authors.forename: C N
authors.initials: CN
authors.lastname: FRAZIER
authors.forename: E H
authors.initials: EH
authors.lastname: FRIEDEN
mesh_terms: D006801:Humans; D010406:Penicillins / Q000494:pharmacology*; D013587:Syphilis / Q000628:therapy*; D014210:Treponema pallidum
chemical_list: D010406:Penicillins
keywords: PENICILLIN/effects; SYPHILIS/therapy