Long term results of tracheal support surgery for emphysema.
D000328:Adult; D000368:Aged; D002933:Cineradiography; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D019736:Prostheses and Implants; D011656:Pulmonary Emphysema / Q000601:surgery*; D013147:Spirometry; D014132:Trachea / Q000601:surgery*; D014140:Tracheotomy