Iyer Ramesh S, Otjen Jeffrey P, Weinberger Edward
Department of Radiology, University of Washington School of Medicine, Seattle Children's Hospital, Seattle, Washington 98105, USA.
J Am Coll Radiol. 2013 Jul;10(7):488-90. doi: 10.1016/j.jacr.2012.11.002. Epub 2013 Mar 15.