[Difficulties of the retrograde endoscopic pancreatocholangiography].
D002758:Cholangiography / Q000379:methods*; D005069:Evaluation Studies as Topic; D006801:Humans; D010183:Pancreatic Ducts / Q000000981:diagnostic imaging*
Trudnosti retrogradnoĭ endoskopicheskoĭ pankreatokholangiografii.