Copyright information:Taken from "Does preservation of the sub-valvular apparatus during mitral valve replacement affect long-term survival and quality of life? A Microsimulation Study"http://www.cardiothoracicsurgery.org/content/3/1/17Journal of Cardiothoracic Surgery 2008;3():17-17.Published online 23 Apr 2008PMCID:PMC2374780.