Ipratropium.
D000280:Administration, Inhalation; D000318:Adrenergic beta-Agonists / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy; D001286:Atropine Derivatives / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D009241:Ipratropium / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use*; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D013806:Theophylline / Q000627:therapeutic use
D000318:Adrenergic beta-Agonists; D001286:Atropine Derivatives; D013806:Theophylline; D009241:Ipratropium