Bermel RA, Fedler JK, Kaiser P, Novalis C, et al. Optical coherence tomography outcomes from SPRINT-MS, a multicenter, randomized,
double-blind trial of ibudilast in progressive multiple sclerosis. Mult Scler 2020 Oct 15:1352458520964409. doi: 10.1177/1352458520964409.
PMID: 33054533