Manoj P Ambali, and Surekha D Jadhav. “Anatomical Variations of Foramen Transversarium of 7th Cervical Vertebrae and Its Clinical Significance”. International Journal of Research in Pharmaceutical Sciences, vol. 11, no. 3, Aug. 2020, pp. 4902-7, https://ijrps.com/home/article/view/1271.