@article{raman2009-19571733,
  author  = {Raman, R. and Thomas, R. G. and Weiner, M. W. and Jack, C. R. and Ernstrom, K. and Aisen, P. S. and Tariot, P. N. and Quinn, J. F.},
  title   = {{MRI substudy participation in Alzheimer disease (AD) clinical trials: baseline comparability of a substudy sample to entire study population}},
  journal = {Alzheimer disease and associated disorders},
  year    = {2009},
  doi     = {10.1097/wad.0b013e3181aba588},
  pmid    = {19571733},
  url     = {https://doi.org/10.1097/wad.0b013e3181aba588}
}