Sotero Salgueiro, G.A., Sosa Fuertes, C.G., Domínguez Rama, Álvaro, Alonso Telechea, J. and Medina Milanesi, R. 2006. Maternal marital status - perinatal characteristics. Association in an hospitalized population. Revista Médica del Uruguay. 22, 1 (Mar. 2006), 59-65.