Domenico Alvaro , Maria Grazia Mancino , Paolo Onori , Antonio Franchitto , Eugenio Gaudio , Cholangiocarcinoma: An Estrogen-Dependent Cancer?, Research Journal of Medical Sciences, Volume 1,Issue 2, 2007, Pages 74-79, ISSN 1815-9346, rjmsci.2007.74.79, (https://makhillpublications.co/view-article.php?doi=rjmsci.2007.74.79) Abstract: Abstract not available. Keywords: