title: A crossover comparison of isoproterenol, metaproterenol and isoetharine by spirometric determinations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000336:Aerosols; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use*; D008297:Male; D009921:Metaproterenol / Q000627:therapeutic use; D008875:Middle Aged; D013147:Spirometry; D013223:Statistics as Topic; D013566:Sympathomimetics / Q000627:therapeutic use*
chemical_list: D000336:Aerosols; D001993:Bronchodilator Agents; D013566:Sympathomimetics; D009921:Metaproterenol; D007545:Isoproterenol