The use of cephalexin in respiratory infections.
D002511:Cephalosporins / Q000627:therapeutic use*; D004653:Empyema / Q000188:drug therapy; D006801:Humans; D008169:Lung Abscess / Q000188:drug therapy; D011014:Pneumonia / Q000188:drug therapy; D011859:Radiography; D012141:Respiratory Tract Infections / Q000000981:diagnostic imaging / Q000188:drug therapy*
D002511:Cephalosporins