title: [Comparative in vitro activity of 4 cephalosporins on Bacteroides fragilis].
mesh_terms: D001441:Bacteroides fragilis / Q000187:drug effects*; D002511:Cephalosporins / Q000494:pharmacology*; D008826:Microbial Sensitivity Tests
chemical_list: D002511:Cephalosporins
vernacular_title: Actividad comparativa in vitro de cuatro cefalosporinas sobre Bacteroides fragilis.