Barros, J., Damásio, J., Tuna, A., Alves, I., et al. (2013). Cerebellar ataxia, hemiplegic migraine, and related phenotypes due to a CACNA1A missense mutation: 12-year follow-up of a large portuguese family. JAMA Neurology, 70(2), 235 - 240.

Ramos, E. M., Martins, S., Alonso, I., Emmel, V. E., et al. (2010). Common origin of pure and interrupted repeat expansions in spinocerebellar ataxia type 2 (SCA2). American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, 153(2), 524 - 531.

Martins, S., Coutinho, P., Silveira, I., Giunti, P., et al. (2008). Cis-acting factors promoting the CAG intergenerational instability in Machado-Joseph disease. American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, 147(4), 439 - 446.

Coutinho, P., Cruz, V. T., Tuna, A., Silva, S. E., & Guimarães, J. (2006). Cerebellar ataxia with spasmodic cough: A new form of dominant ataxia. Archives of Neurology, 63(4), 553 - 555.