Ban K M, Sanchez L D, Bramwell K, Sakles J C, Davis D, Wolfe R, Rosen P
Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, One Deaconess Road, West Campus Clinical Center, Boston, MA 02215, USA.
Intern Emerg Med. 2007 Jun;2(2):133-6. doi: 10.1007/s11739-007-0041-y.