title: Tolerance to beta-adrenergics and results of rising dose studies of albuterol, isoproterenol and placebo.
mesh_terms: D000328:Adult; D000336:Aerosols; D000420:Albuterol / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy; D001986:Bronchial Spasm; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D005260:Female; D006801:Humans; D007545:Isoproterenol / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D010646:Phentolamine / Q000627:therapeutic use; D010919:Placebos
chemical_list: D000336:Aerosols; D010919:Placebos; D007545:Isoproterenol; D000420:Albuterol; D010646:Phentolamine