Yu, Ying, Xiaoyu Zhou, Sheng Wu, Tiantian Wei, and Long Yu. 2014. “High-Yield Production of the Human Lysozyme by Pichia Pastoris SMD1168 Using Response Surface Methodology and High-Cell-Density Fermentation”. Electronic Journal of Biotechnology 17 (6). Valparaíso, Chile. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/2014.09.006.