Improving whole brain structural MRI at 4.7 Tesla using 4 irregularly shaped receiver coils. - David W. Carmichael; David L. Thomas; Enrico De Vita; María A. Fernández-Seara; Navjeet Chhina; Mark Cooper; Colin Sunderland; Chris Randell; Robert Turner; Roger J. Ordidge (NeuroImage, 2006)