Tapping C R, Dixon S, Little M W, Bratby M J, Anthony S, Uberoi R
Department of Radiology, John Radcliffe Hospital, Oxford University Hospitals, Headington, Oxford, UK.
Clin Radiol. 2012 Sep;67(9):889-92. doi: 10.1016/j.crad.2012.02.002. Epub 2012 Apr 7.