title: Effects of topical betaxolol, timolol, and placebo on pulmonary function in asthmatic bronchitis.
mesh_terms: D000287:Administration, Topical; D000328:Adult; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D015784:Betaxolol; D006801:Humans; D008168:Lung / Q000187:drug effects / Q000502:physiology*; D008875:Middle Aged; D011412:Propanolamines / Q000008:administration & dosage / Q000627:therapeutic use*; D013999:Timolol / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011412:Propanolamines; D013999:Timolol; D015784:Betaxolol