title: SPECTROPHOTOMETRIC STUDY OF PENICILLIN-CYSTEIN INTERACTION.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003545:Cysteine; D010400:Penicillin G; D010406:Penicillins; D012106:Research; D013053:Spectrophotometry
chemical_list: D010406:Penicillins; D003545:Cysteine; D010400:Penicillin G
keywords: CHEMISTRY; CYSTEINE; EXPERIMENTAL LAB STUDY; PENICILLIN G; SPECTROPHOTOMETRY