title: Cross reactivity between ampicillin and penicillin G.
mesh_terms: D000667:Ampicillin / Q000009:adverse effects*; D003875:Drug Eruptions / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010400:Penicillin G / Q000009:adverse effects*
chemical_list: D000667:Ampicillin; D010400:Penicillin G