CARVALHO, Ricardo et al. Vitamin A in prevention and treatment of cancer. International Journal of Medicine, [S. l.], v. 5, n. 2, p. 199–205, 2017. DOI: 10.14419/ijm.v5i2.7947. Disponível em: https://sciencepubco.com/index.php/IJM/article/view/7947.. Acesso em: 1 may. 2024.