VEGA DÍAZ, Yoel. EcuRed: la enciclopedia cubana en la red. Revista Médica Electrónica, [S. l.], v. 33, n. 1, p. 123–125, 2011. Disponível em: https://revmedicaelectronica.sld.cu/index.php/rme/article/view/792. Acesso em: 28 ene. 2025.