title: [The ion-exchange method for the isolation of crystalline 6-aminopenicillic acid from penicillin enzymatic hydrolysis products].
mesh_terms: D006868:Hydrolysis; D007474:Ion Exchange; D007475:Ion Exchange Resins; D010406:Penicillins / Q000737:chemistry*
chemical_list: D007475:Ion Exchange Resins; D010406:Penicillins
keywords: ION EXCHANGE RESINS; PENICILLIN/chemistry