Scruples not rubles: is therapeutic ERCP being utilized appropriately?
Siegel
J H
JH
Cohen
S A
SA
Kasmin
F E
FE
D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000592:standards* / Q000706:statistics & numerical data*; D004992:Ethics, Medical; D042882:Gallstones / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D014481:United States