V. Y. Perfil’ev, Y. F. Zverev, D. Y. Perfil’eva, I. V. Lysenko, and A. G. Miroshnichenko, “Metformin reduces urate nephropathy in experimental nephrolithiasis”, Regul. Mech. Biosyst., vol. 8, no. 4, pp. 644–648, Nov. 2017.