David Alexander Dickie, Shadia Mikhael, Dominic E. Job, Joanna M. Wardlaw,
  David H. Laidlaw, and Mark Bastin.
 <b>Permutation and parametric tests for effect sizes in
  voxel-based morphormetry of grey matter volume in brain structural MRI</b>.
 In <em>Magnetic Resonance Imaging</em>, 2015.
  <a href="http://vis.cs.brown.edu/docs/pdf/g/Dickie-2015-PPT.pdf.html">(pdf)</a>
  <a href="http://vis.cs.brown.edu/results/bibtex/Dickie-2015-PPT.bib">(bibtex:
  Dickie-2015-PPT)</a>.