@article{joshi2009-19457369,
  author  = {Joshi, A. and Koeppe, R. A. and Fessler, J. A.},
  title   = {{Reducing between scanner differences in multi-center PET studies}},
  journal = {NeuroImage},
  year    = {2009},
  doi     = {10.1016/j.neuroimage.2009.01.057},
  pmid    = {19457369},
  url     = {https://doi.org/10.1016/j.neuroimage.2009.01.057}
}