Lamberg James J, Farbaniec Michael, Kuperman Ethan F
Department of Anesthesiology, Pennsylvania State University Milton S. Hershey Medical Center, Hershey, PA 17033, USA.
J Gen Intern Med. 2013 Sep;28(9):1241. doi: 10.1007/s11606-013-2353-0. Epub 2013 Feb 13.