Eyelid retraction is not a pathognomonic sign of Machado-Joseph disease in the context of spinocerebellar ataxias

Pedroso, J. L., de Souza, P. V. S., Pinto, W. B. V. de R., Albuquerque, M. V. C., & Barsottini, O. G. P. (2014). Eyelid retraction is not a pathognomonic sign of Machado-Joseph disease in the context of spinocerebellar ataxias. Arquivos de Neuro-Psiquiatria. Associacao Arquivos de Neuro-Psiquiatria. https://doi.org/10.1590/0004-282X20140009