The Influence of Soclal Factors on Infant Mortality. Acta Medica Academica, [S. l.], v. 9, p. 41–76, 1963. DOI: 10.5644/Radovi.64. Disponível em: https://ama.ba/index.php/ama/article/view/773. Acesso em: 6 apr. 2026.