Kovács, Melinda, et al. “Detection of Ochratoxin A from the Blood and Urine of Human Patients Suffering from Nephropathy”. Acta Agraria Kaposváriensis, vol. 11, no. 1, Feb. 2007, pp. 1-8, https://journal.uni-mate.hu/index.php/aak/article/view/1820.