Boccolini, C. S.; Carvalho, M. L. de; Oliveira, M. I. C. de; Vasconcellos, A. G. G. Factors Associated With Breastfeeding in the First Hour of Life . Rev. saúde pública 2011, 45 (1), 69-78. https://doi.org/10.1590/S0034-89102010005000051.