Factores Sociales de la Morbimortalidad Perinatal. Cuadernos Médico Sociales, [S. l.], v. 16, n. 2, p. 34–38, 1975. Disponível em: https://www.cms.ojstest.com/sitio%20nuevo%20ok/index.php/cms/article/view/1804. Acesso em: 17 sep. 2025.