title: Cephalexin in lower respiratory infections.
mesh_terms: D000293:Adolescent; D000328:Adult; D001991:Bronchitis / Q000188:drug therapy*; D002506:Cephalexin / Q000627:therapeutic use; D002511:Cephalosporins / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000188:drug therapy*; D012141:Respiratory Tract Infections / Q000188:drug therapy*
chemical_list: D002511:Cephalosporins; D002506:Cephalexin