title: [SEMI-SYNTHETIC PENICILLINS].
mesh_terms: D002626:Chemistry, Pharmaceutical; D010406:Penicillins; D010604:Pharmacy; D012106:Research
chemical_list: D010406:Penicillins
keywords: CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; PENICILLIN; REVIEW
vernacular_title: POLUSINTETICHESKIE PENITSILLINY.