[1]
G. Gonzalez Perez, L. C. Silva Ayzaguer, R. Lopez Cordero, and R. Iraola Martinez, “ Socioeconomic factors associated with postneonatal mortality in Cuba ”, Rev. saúde pública, vol. 24, no. 2, pp. 134–143, Apr. 1990, doi: 10.1590/S0034-89101990000200009.