1199G>A and 2677G>T/A polymorphisms of ABCB1 independently affect tacrolimus concentration in hepatic tissue after liver transplantation., Elens, Laure, Capron Arnaud, Van Kerckhove Valérie, Lerut Jan, Mourad Michel, Lison Dominique, Wallemacq Pierre, and Haufroid Vincent , Pharmacogenet Genomics, 2007 Oct, Volume 17, Issue 10, (2007)