title: A double-blind cross-over study of beclomethasone dipropionate in asthmatic patients with and without chronic bronchitis.
mesh_terms: D000336:Aerosols; D001249:Asthma / Q000188:drug therapy*; D001507:Beclomethasone / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000627:therapeutic use; D001991:Bronchitis / Q000188:drug therapy; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D006801:Humans; D008775:Methylprednisolone / Q000031:analogs & derivatives*; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use
chemical_list: D000336:Aerosols; D001507:Beclomethasone; D011241:Prednisone; D008775:Methylprednisolone