Huntington, D., H. H. Zaky, S. Shawky, F. A. Fattah, and E. El-Hadary. “Impact of a Service Provider Incentive Payment Scheme on Quality of Reproductive and Child-Health Services in Egypt”. Journal of Health, Population and Nutrition, vol. 28, no. 3, July 2010, pp. 273-80, doi:10.3329/jhpn.v28i3.5556.