_:vb50935953 "A cephalosporin allergy that has_allergic_trigger cefaclor."^^ . _:vb50935953 . _:vb50935953 . _:vb50935953 "IEDB:RV"^^ . _:vb50935953 "url:https://www.ncbi.nlm.nih.gov/pubmed/12569987"^^ . _:vb50935953 . _:vb50935953 .