Pruett TL, Freeman JR, Appelbaum PS, Gillespie BW, Armstrong DR, Emond JC, Weinrieb RM, Nixon DC, A2ALL Study Group. Use of a computerized assessment to measure patient competency to provide informed consent for living liver donation: findings from the Adult to Adult Living Donor Liver Transplantation Cohort Study (A2ALL). Hepatology 2006 Oct;44(S1):192A.