title: Two-hour versus three-hour administration of crystalline penicillin G; the treatment of early syphilis.
authors.forename: H N
authors.initials: HN
authors.lastname: BUNDESEN
authors.forename: J
authors.initials: J
authors.lastname: RODRIQUEZ
authors.forename: G X
authors.initials: GX
authors.lastname: SCHWEMLEIN
mesh_terms: D006801:Humans; D010400:Penicillin G; D010406:Penicillins; D013587:Syphilis
chemical_list: D010406:Penicillins; D010400:Penicillin G