
Frequency of C9orf72 hexanucleotide repeat expansion and SOD1 mutations in Portuguese patients with amyotrophic lateral sclerosis
Keywords: اسکلروز جانبی آمیوتروفیک; Amyotrophic lateral sclerosis; C9orf72 hexanucleotide repeat expansion; SOD1; Mutation; Phenotype; Frontotemporal dementia;