Tracheotomy: present day indications and techniques.
D001991:Bronchitis / Q000601:surgery*; D004165:Diphtheria / Q000601:surgery*; D005547:Foreign Bodies; D006801:Humans; D011051:Poliomyelitis / Q000150:complications*; D014132:Trachea / Q000601:surgery*; D014140:Tracheotomy
BRONCHITIS/surgery; DIPHTHERIA/surgery; FOREIGN BODIES; POLIOMYELITIS/complications; TRACHEA/surgery