Hereditary Ataxia and Spastic Paraplegia in Portugal: A Population-Based Prevalence Study.

Hereditary Ataxia and Spastic Paraplegia in Portugal: A Population-Based Prevalence Study. Coutinho P, Ruano L, Loureiro JL, Cruz VT, Barros J, Tuna A, Barbot C, Guimarães J, Alonso I, Silveira I, Sequeiros J, Marques Neves J, Serrano P, Silva MC
JAMA Neurology [2013:1-10]

Friedreich ataxia (prevalence, 1.0 per 100 000 population)