title: Comparative activity against Enterobacteriaceae and gram-positive bacteria.
mesh_terms: D002511:Cephalosporins / Q000494:pharmacology*; D004755:Enterobacteriaceae / Q000187:drug effects*; D006094:Gram-Positive Bacteria / Q000187:drug effects*; D008826:Microbial Sensitivity Tests
chemical_list: D002511:Cephalosporins