title: [Semisynthetic pencillins and cephalosporins].
mesh_terms: D002511:Cephalosporins / Q000138:chemical synthesis / Q000494:pharmacology*; D010406:Penicillins / Q000138:chemical synthesis / Q000494:pharmacology*
chemical_list: D002511:Cephalosporins; D010406:Penicillins
vernacular_title: Halbsynthetische Penicilline und Cephalosporine