Common Bile Duct Wall Thickening Due to Intramural Varices Diagnosed by Colour Doppler Ultrasound - Grgurević, I; Buljevac, M; Kujundžić, M; Vukelić-Marković, M; Kardum, D; Brkljačić, B (Ultraschall in der Medizin - European Journal of Ultrasound, 2006)