title: Cephalosporins or penicillins.
mesh_terms: D001424:Bacterial Infections / Q000188:drug therapy; D002511:Cephalosporins / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D010406:Penicillins / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D002511:Cephalosporins; D010406:Penicillins