Mostafa, A. A., A. E.-H. G. Abu-Hassiba, M. T. ElRouby, F. Abou-Hashim, and H. S. Omar. “Food Adulteration With Genetically Modified Soybeans and Maize, Meat of Animal Species and Ractopamine Residues in Different Food Products”. Electronic Journal of Biotechnology, vol. 55, Jan. 2022, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/2021.11.005.