title: The inability of cysteine to inactivate penicillin in the presence of broth and blood.
authors.forename: H L
authors.initials: HL
authors.lastname: HIRSH
authors.forename: C B
authors.initials: CB
authors.lastname: O'NEIL
mesh_terms: D003545:Cysteine; D006801:Humans; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D010406:Penicillins; D003545:Cysteine
keywords: CYSTEIN/effects; PENICILLIN/pharmacology