Nayak, A. K., Dhivya, S., & Afzal, T. (2017). Study of causes and facility based lags in a tertiary care hospital contributing to maternal mortality. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 6(5), 2044–2049. https://doi.org/10.18203/2320-1770.ijrcog20171974