Cefaclor v amoxycillin in acute exacerbations of chronic bronchitis.
D000658:Amoxicillin / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002433:Cefaclor / Q000627:therapeutic use*; D002506:Cephalexin / Q000031:analogs & derivatives*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans
D002433:Cefaclor; D000658:Amoxicillin; D002506:Cephalexin