Harpoon extraction of a common bile duct stone impacted at the ampulla of Vater with needle-knife sphincterotome.
McAlister
V C
VC
Roy
A
A
Passi
R B
RB
D000328:Adult; D014670:Ampulla of Vater / Q000601:surgery*; D042882:Gallstones / Q000601:surgery*; D006801:Humans; D008297:Male; D016717:Sphincterotomy, Endoscopic