title: Effect of rifampin on chloramphenicol levels.
mesh_terms: D002675:Child, Preschool; D002701:Chloramphenicol / Q000097:blood*; D006801:Humans; D008583:Meningitis, Haemophilus / Q000188:drug therapy; D012293:Rifampin / Q000494:pharmacology*
chemical_list: D002701:Chloramphenicol; D012293:Rifampin