Haider, L, Chung, K, Birch, G, Eshaghi, A, Mangesius, S, Prados, F, Tur, C, Ciccarelli, O, Barkhof, F & Chard, D 2021, ' Linear brain atrophy measures in multiple sclerosis and clinically isolated syndromes: A 30-year follow-up ', Journal of Neurology, Neurosurgery and Psychiatry, vol. 92, no. 8, pp. 839-846 . https://doi.org/10.1136/jnnp-2020-325421 Journal of Neurology, Neurosurgery and Psychiatry, 92(8), 839-846. BMJ Publishing Group