Morphological Variation of Circle of Willis in Nepalese Population: A 3D Time-of-Flight Magnetic Resonance Angiography Based Study. J. Lumbini Med. Coll. [Internet]. 2021 Jun. 30 [cited 2026 Jul. 16];9(1). Available from: https://www.nepjol.info/index.php/JLMC/article/view/41324