Wilson D M, Cohen B, Keshari K, Vogel H, Steinberg G, Dillon W
Department of Radiology and Biomedical Imaging, University of California, San Francisco, 505 Parnassus Avenue,Room L-371, Box 0628, San Francisco, CA, 94143-0628, USA,
Clin Neuroradiol. 2014 Sep;24(3):293-6. doi: 10.1007/s00062-013-0249-3. Epub 2013 Aug 14.