Rodrigues Veiga, T., Guardado Moreira, M. J., & Fernandes, A. A. (2004). Social Changes and Better Health Conditions of the Portuguese Population 1974-2000. Hygiea Internationalis: An Interdisciplinary Journal for the History of Public Health, 4(1), 255–276. https://doi.org/10.3384/hygiea.1403-8668.0441255