Osis, M. J. D.; Duarte, G. A.; Pádua, K. S. de; Hardy, E.; Sandoval, L. E. M.; Bento, S. F. Exclusive Breastfeeding Among Working Women With Free Daycare Available at Workplace . Rev. saúde pública 2004, 38 (2), 172-179. https://doi.org/10.1590/S0034-89102004000200004.