Majid, Hina, Salman Shahid, and Maryam Fatima. “Morphometric Study of Foramen Magnum in Human Skulls”. Annals of Punjab Medical College (APMC) 15, no. 3 (September 30, 2021): 164-167. Accessed August 8, 2022. https://apmcfmu.com/index.php/apmc/article/view/1140.