Native kidney function following liver transplantation using calcineurin inhibitors: single-center analysis with 20 years of follow-up. - LaMattina, John C.; Mezrich, Joshua D.; Fernandez, Luis A.; D'Alessandro, Anthony M.; Djamali, Arjang; Musat, Alexandru I.; Pirsch, John D.; Foley, David P. (Clinical Transplantation, 2013)