Loss of Cajal bodies in motor neurons from patients with novel mutations in VRK1. - El-Bazzal L; Rihan K; Bernard-Marissal N; Castro C; Chouery-Khoury E; Desvignes JP; Atkinson A; Bertaux K; Koussa S; Lévy N; Bartoli M; Mégarbané A; et al. (Human molecular genetics, 2019)