title: Dose-titration comparison of inhaled salbutamol and oral theophylline in asthma.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000336:Aerosols; D000368:Aged; D000420:Albuterol / Q000008:administration & dosage* / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy* / Q000503:physiopathology; D004305:Dose-Response Relationship, Drug; D005541:Forced Expiratory Volume; D006801:Humans; D008875:Middle Aged; D013806:Theophylline / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D000336:Aerosols; D013806:Theophylline; D000420:Albuterol