Berlot, R; Bhatia, KP; Kojović, M; (2020) Reply to J. Dulski and J. Slawek's "Fibrodysplasia ossificans progressiva as a form of pseudodystonia". Parkinsonism & Related Disorders , 71 pp. 49-50. 10.1016/j.parkreldis.2020.01.016.