title: Comparison of metered-dose inhaler attached to an Aerochamber with an updraft nebulizer for the administration of metaproterenol in hospitalized patients.
mesh_terms: D000336:Aerosols; D001986:Bronchial Spasm / Q000188:drug therapy / Q000191:economics; D003362:Cost-Benefit Analysis; D005541:Forced Expiratory Volume; D006760:Hospitalization; D006801:Humans; D008448:Maximal Expiratory Flow Rate; D009921:Metaproterenol / Q000008:administration & dosage*; D012138:Respiratory Therapy / Q000191:economics / Q000295:instrumentation*; D014797:Vital Capacity
chemical_list: D000336:Aerosols; D009921:Metaproterenol