“Hepatic xanthine dehydrogenase. I. Purification and protperties of the human and pig hepatic xanthine dehydrogenase” (1968) Revista Española de Fisiología, 24(4), pp. 193–202. Available at: https://revistas.unav.edu/index.php/ref/article/view/49117 (Accessed: 9 July 2025).