@article{5674, title = {Towards quantitative PET/MRI: a review of MR-based attenuation correction techniques}, author = {Hofmann, M. and Pichler, B. and Sch{\"o}lkopf, B. and Beyer, T.}, journal = {European Journal of Nuclear Medicine and Molecular Imaging}, volume = {36}, number = {Supplement 1}, pages = {93-104}, organization = {Max-Planck-Gesellschaft}, school = {Biologische Kybernetik}, month = mar, year = {2009}, doi = {10.1007/s00259-008-1007-7}, month_numeric = {3} }