Determination of cystic duct patency using hepatobiliary MRI with gadoxetate disodium: is T1 precontrast imaging necessary?
Corwin MT, Karam AR, Baker SP, Kim YH. Determination of cystic duct patency using hepatobiliary MRI with gadoxetate disodium: is T1 precontrast imaging necessary? J Magn Reson Imaging. 2012 Mar; 35(3):601-6.