SPANN, S.; LEVINGS, J. Eggcellent Adventures in Classroom Embryology: An Intracurricular Guide to Chicken Embryology: 4H368/4H368, 11/2015. EDIS, [S. l.], v. 2015, n. 8, p. 88, 2015. DOI: 10.32473/edis-4h368-2015. Disponível em: https://journals.flvc.org/edis/article/view/132414. Acesso em: 20 mar. 2023.