Endobronchial valves for emphysema.
En-Ting
ET
Chang
D005080:Exercise Test; D017079:Exercise Tolerance; D006801:Humans; D017063:Outcome Assessment, Health Care; D011013:Pneumonectomy; D019736:Prostheses and Implants; D011656:Pulmonary Emphysema / Q000628:therapy*