Sybesma, Wilbert, Jeroen Hugenholtz, Willem M. de Vos, and Eddy J. Smid. 2006. “Safe Use of Genetically Modified Lactic Acid Bacteria in Food. Bridging the Gap Between Consumers, Green Groups, and Industry”. Electronic Journal of Biotechnology 9 (4). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v9n4-12.