Katyal, Nakul, Praveen Attele, Bryce Hoelscher, Erik Ensrud, and Richard Barohn. ““Ear of the Lynx" Radiological Sign in a Patient With Primary Lateral Sclerosis. ”. RRNMF Neuromuscular Journal 3, no. 3 (September 26, 2022): 32–35. Accessed April 30, 2024. https://journals.ku.edu/rrnmf/article/view/18049.