4Palmucci S,Mauro LA,La Scoal S,et al.Magnetic resonance cholangiopancreatography and contrast-enhanced magnetic resonance cholangiopancreatography wersus endoscopic ultrasonography in the diagnusis of extrahepatic biliary pathology[J].Radiol Med,2010,115(5):732.
5Scaffidi MG,Luigiano C,Consolo P,et al.Magnetic resonancecholangio-pancreatography versus endoscopic retrograde cholangio-pancreatography in the diagnosis of common bile duct stones:aprospective comparative study[J].Minerva Med,2009,100 (5):341.