%0 Journal Article %T Somatic expansion of the C9orf72 hexanucleotide repeat does not occur in ALS spinal cord tissues %A Claire S. Leblond %A Guy A. Rouleau %A H¨¦l¨¨ne Catoire %A Janice Robertson %A Jay P. Ross %A Kathryn Volkening %A Lorne Zinman %A Michael Strong %A Patrick A. Dion %J Archive of "Neurology: Genetics". %D 2019 %R 10.1212/NXG.0000000000000317 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6454309/