Two historical tracheostomies.
D004165:Diphtheria / Q000601:surgery; D004739:England; D005858:Germany; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D007442:Intubation, Intratracheal / Q000266:history; D007828:Laryngoscopy / Q000266:history; D013525:Surgical Instruments / Q000266:history; D014140:Tracheotomy / Q000266:history*