Marshall, Sergio H., and Gloria Arenas. 2003. “Antimicrobial Peptides: A Natural Alternative to Chemical Antibiotics and a Potential for Applied Biotechnology”. Electronic Journal of Biotechnology 6 (3). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v6n3-1.