S.M. Resnick, D.L. Pham, M.A. Kraut, A.B. Zonderman, and C. Davatzikos.
  <b>Longitudinal magnetic resonance imaging studies of older
  adults: a shrinking brain</b>.
  <i>J Neurosci</i>, 23(8):3295-3301, 2003.
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Resnick-2003-LMR.bib">(bibtex:
  Resnick-2003-LMR)</A>.<br />