F. Sherifi, I. Bajraktari, S. Bexheti, A. Lahu, Z. Gashi, and J. Shatri, “Anatomic variations of the cystic duct assessed by magnetic resonance cholangiopancreatography”, Ital J Anat Embryol, vol. 123, no. 2, pp. 158–164, Nov. 2018.