Mortalidad infantil en Chile: Tendencias recientes. Cuadernos Médico Sociales, [S. l.], v. 11, n. 3, p. 5–13, 1970. Disponível em: https://www.cms.ojstest.com/sitio%20nuevo%20ok/index.php/cms/article/view/1933. Acesso em: 17 sep. 2025.