[Historical notes on ultrasonics and its medical applications].
D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014464:Ultrasonic Therapy / Q000266:history; D014465:Ultrasonics / Q000266:history*; D014481:United States
Aperçu historique sur les ultrasons et leurs applications médicales.