title: Tracheal fenestration with self-aspiration in treatment of severe chronic obstructive pulmonary disease.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D002404:Catheterization; D004322:Drainage / Q000379:methods*; D004417:Dyspnea / Q000601:surgery; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D013396:Suction / Q000379:methods; D014132:Trachea / Q000601:surgery*
chemical_list: D000305:Adrenal Cortex Hormones