Feasibility of grey matter and white matter segmentation of the upper cervical cord in vivo: A pilot study with application to magnetisation transfer measurements. - Marios C. Yiannakas; Hugh Kearney; R. S. Samson; Declan T. Chard; Olga Ciccarelli; David H. Miller; Claudia A. M. Wheeler-Kingshott (NeuroImage, 2012)