title: Letter: Cephalosporins.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000187:drug effects; D002511:Cephalosporins / Q000494:pharmacology* / Q000627:therapeutic use; D002512:Cephalothin / Q000627:therapeutic use; D004755:Enterobacteriaceae / Q000187:drug effects; D007263:Infusions, Parenteral; D009570:Nitriles / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D002511:Cephalosporins; D009570:Nitriles; D002512:Cephalothin