Barros neonatal mortality three cohorts
Barros FC, Victora CG, Barros AJD, Santos IS, Albernaz E, Matijasevich A, et al. 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. DOI: 10.1016/S0140-6736(05)71042-4
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