title: Degradation of penicillin, ticarcillin, and carbenicillin resulting from storage of unit doses.
mesh_terms: D002228:Carbenicillin; D002851:Chromatography, High Pressure Liquid; D004355:Drug Stability; D004356:Drug Storage; D010400:Penicillin G; D010406:Penicillins; D013982:Ticarcillin
chemical_list: D010406:Penicillins; D013982:Ticarcillin; D002228:Carbenicillin; D010400:Penicillin G