@article{Katiyaretal16b, title = {Spectral Clustering predicts tumor tissue heterogeneity using dynamic 18F-FDG PET: a complement to the standard compartmental modeling approach}, author = {Katiyar, P. and Divine, M. R. and Kohlhofer, U. and Quintanilla-Martinez, L. and Sch{\"o}lkopf, B. and Pichler, B. J. and Disselhorst, J. A.}, journal = {Journal of Nuclear Medicine}, volume = {58}, number = {4}, pages = {651--657}, year = {2017}, doi = {10.2967/jnumed.116.181370}, url = {http://jnm.snmjournals.org/content/58/4/651.abstract} }