title: Lung volumes and mixing indices before and after bronchodilation.
mesh_terms: D000403:Airway Resistance / Q000187:drug effects; D001980:Bronchi / Q000187:drug effects; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D002908:Chronic Disease; D006801:Humans; D007273:Injections, Intramuscular; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D010993:Plethysmography, Whole Body; D011398:Promethazine / Q000627:therapeutic use*; D012123:Pulmonary Ventilation / Q000187:drug effects; D012129:Respiratory Function Tests
chemical_list: D001993:Bronchodilator Agents; D011398:Promethazine