title: Further observations on respiratory flow-volume loops: clinical evaluation of a new oral bronchodilator, CP-12,521-1.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010879:Piperazines / Q000627:therapeutic use*; D011799:Quinazolines / Q000627:therapeutic use*; D013147:Spirometry; D014631:Valerates / Q000627:therapeutic use
chemical_list: D001993:Bronchodilator Agents; D010879:Piperazines; D011799:Quinazolines; D014631:Valerates