Gurusamy, K. S., Giljaca, V., Takwoingi, Y., Higgie, D., Poropat, G., Štimac, D., & Davidson, B. R. (2015). Ultrasound versus liver function tests for diagnosis of common bile duct stones. Cochrane Database Syst Rev.

Gurusamy, Kurinchi Selvan, Vanja Giljaca, Yemisi Takwoingi, David Higgie, Goran Poropat, Davor Štimac, e Brian R. Davidson. "Ultrasound Versus Liver Function Tests for Diagnosis of Common Bile Duct Stones." Cochrane Database Syst Rev 2015.

Gurusamy, Kurinchi Selvan, et al. "Ultrasound Versus Liver Function Tests for Diagnosis of Common Bile Duct Stones." Cochrane Database Syst Rev 2015.