MSH3 and myotonic dystrophy type 1: Flower Flower M M Lomeikaite Lomeikaite V V Ciosi Ciosi M M MSH3 modifies somatic instability and disease severity in Huntington’s and myotonic dystrophy type 1 MSH3 modifies somatic instability and disease severity in Huntington’s and myotonic dystrophy type 1 Brain Brain 2019 2019 142 142 1876 1876 1886 1886