Needle knife sphincterotomy: a necessary tool.
Katuscak
I
I
Horakova
M
M
Frlicka
P
P
Straka
V
V
Macko
J
J
D002760:Cholangiopancreatography, Endoscopic Retrograde; D006801:Humans; D016717:Sphincterotomy, Endoscopic / Q000295:instrumentation / Q000379:methods*