title: The effect of the sodium salts of crystalline penicillin G, crystalline penicillin X, and commercial penicillins on darkfield positive lesions of syphilis.
authors.forename: S
authors.initials: S
authors.lastname: OLANSKY
authors.forename: L E
authors.initials: LE
authors.lastname: PUTNAM
mesh_terms: D010400:Penicillin G / Q000031:analogs & derivatives; D010406:Penicillins; D012492:Salts; D012964:Sodium; D013587:Syphilis / Q000628:therapy*
chemical_list: D010406:Penicillins; D012492:Salts; D012964:Sodium; D010400:Penicillin G; C037825:penicillin X