BURGOS, Sigfrido; BURGOS, Sergio A. The Role of Chickens in Vitamin Discoveries. International Journal of Poultry Science, Pakistan, v. 5, n. 8, p. 704–707, 2006. DOI: 10.3923/ijps.2006.704.707. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/610. Acesso em: 21 sep. 2025.