John F Kennedy's tracheostomy.
Spencer
Ariel U
AU
D005197:Famous Persons; D044709:Forensic Ballistics; D020197:Head Injuries, Penetrating / Q000266:history* / Q000601:surgery; D049673:History, 20th Century; D014139:Tracheostomy / Q000266:history*; D014481:United States; D014948:Wounds, Gunshot / Q000266:history* / Q000601:surgery