Borghi, J., N. Sabina, C. Ronsmans, and J. Killewo. “Comparison of Costs of Home and Facility-Based Basic Obstetric Care in Rural Bangladesh”. Journal of Health, Population and Nutrition, vol. 28, no. 3, July 2010, pp. 286-93, doi:10.3329/jhpn.v28i3.5558.