April 25, 2018April 10, 2018Free AccessContribution of Rare Homozygous Variants in ALS in a Homogenous Population (P4.441)Vivian Drory, Orly Goldstein, Merav Kedmi, Mali Gana-Weisz, Beatrice Nefussy, Shir Twito, Yaara Feinmesser, Omri Nayshool, and Avi Orr-UrtregerAuthors Info & AffiliationsApril 10, 2018 issue90 (15_supplement) Letters to the Editor