Drugs for chronic obstructive pulmonary disease.
D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000191:economics / Q000627:therapeutic use*; D006801:Humans; D009330:Nebulizers and Vaporizers; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D016540:Smoking Cessation; D014481:United States
D001993:Bronchodilator Agents