Figure 1From: Gray matter imaging in multiple sclerosis: what have we learned? Timeline of GM imaging in MS. A schematic overview of developments in the field of GM imaging in MS from the beginning of the 20th century until now. A, B, D) Reproduced from Kidd et al. [7], Kutzelnigg et al. [19], and Schmierer et al. [88] respectively, all with permission from Oxford University Press. C) Reproduced from Cifelli et al. [100] with permission from John Wiley and Sons. E, F) Reproduced from Geurts et al. [69] and Roosendaal et al. [126] respectively, both with permission of the Radiological Society of North America.Back to article page