Chemistry and drug allergy.
D055598:Chemical Phenomena; D002621:Chemistry; D004342:Drug Hypersensitivity; D000939:Epitopes; D006241:Haptens; D006801:Humans; D010406:Penicillins / Q000009:adverse effects*
D000939:Epitopes; D006241:Haptens; D010406:Penicillins