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Moraal B, Meier DS, Poppe PA, Geurts JJG, Vrenken H, Jonker WMA, Knol DL, van Schijndel RA, Pouwels PJW, Pohl C, Bauer L, Sandbrink R, Guttmann CRG, Barkhof F. Subtraction MR Images in a Multiple Sclerosis Multicenter Clinical Trial Setting. Radiology. 2009 Feb;250(2):506–14. doi: 10.1148/radiol.2501080480. |