Kumar, V.; Gupta, N.; Ambekar, M. M.; Sharma, N.; Sood, P.; Sharma, V.; Chauhan, N. S.; Sharma, R.; Mahajan, S. Agenesis of Dorsal Pancreas Causing Extra Hepatic Portal Vein Obstruction in a Patient of Symptomatic Cholelithiasis: A Case Report. Int Surg J 2018, 5, 2682-2684.