Ansari H, Qayyum MA, Waheed SA, Bibi H, Nawaz A, Ansar T. Anatomical Variations of the Circle of Willis and Their Clinical Significance: A Systematic Review: Anatomical Variations of the Circle of Willis and Their Clinical Significance. PJHS-Lahore [Internet]. 2026 Jun. 30 [cited 2026 Jul. 2];7(6):164-71. Available from: https://www.thejas.com.pk/index.php/pjhs/article/view/3889