Define the phenotype and genotype of a cluster of families with a relatively pure cerebellar ataxia referred to as autosomal recessive cerebellar ataxia type 1 (ARCA-1).
Faculty of Medicine, Laval University, Department of Neurological Sciences, Centre Hospitalier Affilié Universitaire de Québec-Enfant-Jésus, 18th Street, Quebec City, Québec, Canada. nicolas.dupre@cha.quebec.qc.ca
