Peterson Eric D, Delong Elizabeth R, Masoudi Frederick A, O'Brien Sean M, Peterson Pamela N, Rumsfeld John S, Shahian David M, Shaw Richard E, Goff David C, Grady Kathleen, Green Lee A, Jenkins Kathy J, Loth Ann, Radford Martha J
Circulation. 2010 Apr 20;121(15):1780-91. doi: 10.1161/CIR.0b013e3181d2ab98. Epub 2010 Mar 29.