Henwood Patricia C, Peak David A, Gonen Liza, Nadel Eric S, Brown David F M
Division of Emergency Medicine, Harvard Medical School, Boston, Massachusetts; Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts; Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
J Emerg Med. 2013 Nov;45(5):702-5. doi: 10.1016/j.jemermed.2013.05.060. Epub 2013 Aug 26.