title: In-vitro activity of new cephalosporin (HR 756) and cefazolin.
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D002437:Cefazolin / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology*; D004352:Drug Resistance, Microbial
chemical_list: D002511:Cephalosporins; D002437:Cefazolin