title: A quantitative microbiological determination of 6-aminopenicillanic acid.
mesh_terms: D000588:Amines / Q000032:analysis / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D002854:Chromatography, Paper; D004926:Escherichia coli / Q000187:drug effects; D008722:Methods; D008826:Microbial Sensitivity Tests; D010397:Penicillanic Acid / Q000032:analysis / Q000494:pharmacology; D010400:Penicillin G / Q000032:analysis / Q000494:pharmacology; D010403:Penicillin Resistance; D010406:Penicillins / Q000032:analysis*; D012706:Serratia marcescens / Q000187:drug effects; D013844:Thiazoles / Q000032:analysis*
chemical_list: D000588:Amines; D010406:Penicillins; D013844:Thiazoles; D010397:Penicillanic Acid; D010400:Penicillin G