@article{article, title = {{Frequency of the C9orf72 hexanucleotide repeat expansion in patients with amyotrophic lateral sclerosis and frontotemporal dementia: a cross-sectional study}}, url = {{}}, year = {{2012}}, month = {{1}}, author = {{Majounie E and Renton AE and Mok K and Dopper EG and Waite A and Rollinson S and ChiĆ² A and Restagno G and Nicolaou N and Simon-Sanchez J and van Swieten JC et al}}, journal = {{The Lancet Neurology}}, note = {{Accessed on 2024/12/22}}}