The challenge of reducing neonatal mortality in middle-income countries: findings from three Brazilian birth cohorts in 1982, 1993, and 2004

Barros FC, Victora CG, Barros AJD, Santos IS, Albernaz E, Matijasevich A, Domingues MR, Sclowitz IKT, Hallal PC, Silveira MF, Vaughan JP. The challenge of reducing neonatal mortality in middle-income countries: findings from three Brazilian birth cohorts in 1982, 1993, and 2004. Lancet. 2005; 365(9462): 847-54.