McGillicuddy Daniel C, Walker Oriana, Shapiro Nathan I, Edlow Jonathan A
Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
Ann Emerg Med. 2006 Apr;47(4):390-3. doi: 10.1016/j.annemergmed.2005.05.008. Epub 2005 Jul 14.