@article {barkhof2005predicting, title = {Predicting gadolinium enhancement status in MS patients eligible for randomized clinical trials}, journal = {Neurology}, volume = {65}, number = {9}, year = {2005}, pages = {1447{\textendash}1454}, publisher = {AAN Enterprises}, author = {Barkhof, F and Held, U and Simon, JH and Daumer, M and Fazekas, F and Filippi, M and Frank, JA and Kappos, L and Li, D and Menzler, S and Miller, DH and Petkau, J and Wolinsky, J} }