Felizzola, Ornella, Juan Carlos Martínez, Noraida Zerpa, and Caridad Malavé. 2013. “Production and Evaluation of Chicken Antibodies Against a Synthetic Peptide from Glial Growth Factor.”. Investigación Clínica 54 (3). http://www.produccioncientificaluz.org/index.php/investigacion/article/view/28928.