title: Structure-activity correlations in the cephalosporin C series using extended Hückel theory and CNDO-2.
mesh_terms: D001419:Bacteria / Q000187:drug effects; D002511:Cephalosporins / Q000494:pharmacology*; D008722:Methods; D008826:Microbial Sensitivity Tests; D013329:Structure-Activity Relationship
chemical_list: D002511:Cephalosporins