dolfo: Friedreich's ataxia: autosomal recessive disease caused by an intronic GAA triplet repeat expansion. - Campuzano,V.; Montermini,L.; Molto,M.D.; Pianese,L.; Cossee,M.; Cavalcanti,F.; Monros,E.; Rodius,F.; Duclos,F.; Monticelli,A.; Zara,F.; Canizares,J.; et al. (Science, 1996)