D. M., L. M.W., Z. G., P. Cz., D. M., and N. J.W., “THE EFFECT OF COMBINED ZINC-CADMIUM INJECTION IN OVO ON THE ACTIVITY OF INDICATIVE HYDROLASES IN ORGANS OF NEWLY HATCHED CHICKS”, J microb biotech food sci, vol. 3, no. 5, pp. 432–435, Apr. 2014.