Tantalean-Gutierrez, Lily, et al. “Hot Cross Bun Sign in a Peruvian Patient With Spinocerebellar Ataxia Type 2: A Case Report”. Revista De Neuro-Psiquiatria, vol. 86, no. 2, July 2023, pp. 148-53, doi:10.20453/rnp.v86i3.4561.