title: Bronchodilator effects of oral salbutamol and theophylline-salbutamol combinations in chronic steroid-dependent asthmatics.
mesh_terms: D000284:Administration, Oral; D000305:Adrenal Cortex Hormones; D000328:Adult; D000420:Albuterol / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D002908:Chronic Disease; D004311:Double-Blind Method; D004338:Drug Combinations; D006801:Humans; D008875:Middle Aged; D019966:Substance-Related Disorders; D013806:Theophylline / Q000008:administration & dosage*
chemical_list: D000305:Adrenal Cortex Hormones; D004338:Drug Combinations; D013806:Theophylline; D000420:Albuterol