Mojumder, Deb Kumar, Chuang-Kuo Wu, Ragesh Panikkath, and Nabeel S. Dar. “Spinal Block at the Cervico-Medullary Junction by a Thickened Transverse Atlanto-Axial Ligament”. The Southwest Respiratory and Critical Care Chronicles 2, no. 8 (September 22, 2014): 40-41. Accessed October 23, 2020. https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/154.