Sankar, SSubramanian, MJoseph, L DRajinikanth, SNandigam, V2012-09-172012-09-172009-01Sankar S, Subramanian M, Joseph L D, Rajinikanth S, Nandigam V. Pedunculated extra hepatic biliary cystadenoma mimicking as a stone. Indian Journal of Gastroenterology. 2009 Jan-Feb; 28(1): 37.http://imsear.searo.who.int/handle/123456789/141406enPedunculated extra hepatic biliary cystadenoma mimicking as a stone.Article