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Khowaja, Asif Raza, Craig Mitton, Rahat Qureshi, Stirling Bryan, Laura A. Magee, Peter von Dadelszen, and Zulfiqar A. Bhutta. "A Comparison of Maternal and Newborn Health Services Costs in Sindh Pakistan." PLoS One 2018.

Khowaja, Asif Raza, et al. "A Comparison of Maternal and Newborn Health Services Costs in Sindh Pakistan." PLoS One 2018.