Frequencies, Variations, and Significance of Rouviere’s Sulcus in the Context of Difficult Laparoscopic Cholecystectomy. - Acet, Ersin; Kegin, Murat; Büyükertan, Mete; Karip, Burak; Balcıoğlu, Hüseyin Avni (Journal of Academic Research in Medicine, 2022)