Parekh Nirav N, Desai Naman S, Feeko Kristofer J
Department of Physical Medicine and Rehabilitation, Thomas Jefferson University, Philadelphia, PA(∗).
Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA†
PM R. 2015 Feb;7(2):220-1. doi: 10.1016/j.pmrj.2014.06.010. Epub 2014 Jun 26.