Canaz, Huseyin, Murat Arslan, Husniye Hacıoglu, Mehmet Tokmak, Gokhan Canaz, and Safiye Cavdar. 2018. “Morphometric Analysis of the Arteries of Willis Polygon”. Romanian Neurosurgery 32 (1):56-64. https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/1062.