Some observations on elective tracheostomy in thoracic surgery.
D017558:Elective Surgical Procedures; D006801:Humans; D013903:Thoracic Surgery; D019616:Thoracic Surgical Procedures; D013909:Thorax / Q000601:surgery*; D014132:Trachea / Q000601:surgery*; D014139:Tracheostomy
THORAX/surgery; TRACHEA/surgery