_:vb50935913 . _:vb50935913 "IEDB:RV"^^ . _:vb50935913 "url:https://www.ncbi.nlm.nih.gov/pubmed/14483916"^^ . _:vb50935913 . _:vb50935913 . _:vb50935913 . _:vb50935913 . _:vb50935913 "A beta-lactam allergy that has_allergic_trigger benzylpenicillin."^^ .