Pirraçi, Afrim. 2016. “The Importance of Ultrasound Examination in the Studding of the Gall Bladder Anatomic Variations and Their Influence in Biliary Dyskinesia”. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies 4 (May):92-97. https://anglisticum.org.mk/index.php/IJLLIS/article/view/832.