@booklet {1073, title = {Numerical Tissue Characterization in MS via Standardization of the MR Image Intensity Scale}, year = {1999}, month = {1999///}, author = {Yiyue Ge and Jayaram K Udupa and L{\'a}szl{\'o} G{\'a}bor Ny{\'u}l and Lougang Wei and Robert J Grossman} }