title: Two-challenge approach to evaluation of penicillin allergy in the absence of skin testing reagents.
authors.forename: Helen C
authors.initials: HC
authors.lastname: Wang
authors.forename: Ejaz
authors.initials: E
authors.lastname: Yousef
mesh_terms: D000293:Adolescent; D000658:Amoxicillin / Q000009:adverse effects / Q000276:immunology / Q000627:therapeutic use; D004342:Drug Hypersensitivity / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D010397:Penicillanic Acid / Q000276:immunology; D010406:Penicillins / Q000009:adverse effects* / Q000276:immunology; D010612:Pharyngitis / Q000188:drug therapy; D011537:Pruritus / Q000139:chemically induced; D011852:Radioallergosorbent Test; D012882:Skin Tests; D013290:Streptococcal Infections / Q000188:drug therapy
chemical_list: D010406:Penicillins; D000658:Amoxicillin; D010397:Penicillanic Acid