Validation of a liquid chromatography-mass spectrometric assay for tacrolimus in peripheral blood mononuclear cells., Capron, Arnaud, Musuamba Tshinanu Flora, Latinne Dominique, Mourad Michel, Lerut Jan, Haufroid Vincent, and Wallemacq Pierre E. , Ther Drug Monit, 2009 Apr, Volume 31, Issue 2, (2009)