Higiene materna e infantil en Chile. Cuadernos Médico Sociales, [S. l.], v. 13, n. 1, p. 34–40, 1972. Disponível em: https://www.cms.ojstest.com/sitio%20nuevo%20ok/index.php/cms/article/view/1873. Acesso em: 17 sep. 2025.