Permanent tracheostomy for pulmonary cripples.
D006801:Humans; D007830:Larynx; D008168:Lung; D008171:Lung Diseases / Q000601:surgery*; D013510:Pulmonary Surgical Procedures; D014132:Trachea / Q000601:surgery*; D014139:Tracheostomy
LUNG DISEASES/surgery; TRACHEA/surgery