Adolf Pfefferbaum, Edith V. Sullivan, Maj Hedehus, Kelvin O. Lim, Elfar
  Adalsteinsson, and Michael Moseley.
  <b>Age-Related Decline in Brain White Matter Anisotropy Measured
  With Spatially Corrected Echo-Planar Diffusion Tensor Imaging</b>.
  <i>Magnetic Resonance in Medicine</i>, 44(2):259-268, August 2000.
  <A HREF="http://vis.cs.brown.edu/docs/pdf/bib/g/Pfefferbaum-2000-ARD.pdf.html">(pdf)</A>
  <A HREF="http://vis.cs.brown.edu/results/bibtex/Pfefferbaum-2000-ARD.bib">(bibtex: Pfefferbaum-2000-ARD)</A>.<br />