Madder Ryan D, Safian Robert D, Gallagher Michael, Senter Shaun R, Hanzel George S
Department of Cardiovascular Medicine, William Beaumont Hospital, Royal Oak, Michigan 48073, USA.
JACC Cardiovasc Interv. 2011 Jul;4(7):824. doi: 10.1016/j.jcin.2011.05.009.