title: Penicillin allergy and the cephalosporins.
mesh_terms: D001673:Biodegradation, Environmental; D002511:Cephalosporins / Q000009:adverse effects* / Q000627:therapeutic use*; D004340:Drug Contamination; D004342:Drug Hypersensitivity / Q000175:diagnosis / Q000276:immunology; D004355:Drug Stability; D006801:Humans; D010406:Penicillins / Q000009:adverse effects*; D010592:Pharmaceutic Aids / Q000009:adverse effects; D012882:Skin Tests
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D010592:Pharmaceutic Aids