Improved reliability of hippocampal atrophy rate measurement in mild cognitive impairment using fluid registration. - L. A. van de Pol; Josephine Barnes; Rachael I. Scahill; Chris Frost 001; Emma B. Lewis; Richard G. Boyes; Ronald A. van Schijndel; Philip Scheltens; Nick C. Fox; Frederik Barkhof (NeuroImage, 2007)