title: Gut flora after cephalexin.
mesh_terms: D002511:Cephalosporins / Q000494:pharmacology*; D004064:Digestive System / Q000382:microbiology*; D005243:Feces / Q000382:microbiology; D006801:Humans; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification
chemical_list: D002511:Cephalosporins