History of emergency ultrasound.
John L
JL
Kendall
Michael
M
Blaivas
Stephen
S
Hoffenberg
J Christian
JC
Fox
D001064:Appendicitis / Q000000981:diagnostic imaging; D004630:Emergencies; D004635:Emergency Medicine / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008297:Male; D013086:Spermatic Cord Torsion / Q000000981:diagnostic imaging; D014463:Ultrasonography / Q000266:history* / Q000295:instrumentation