Rafiq, S., Syed, W. and Ghaffar, S.F. 2019. Trends and causes of maternal mortality in a tertiary care hospital over five years: 2013-2017: Trends and causes of maternal mortality. Pakistan Journal of Medical Sciences. 35, 4 (Jul. 2019). DOI:https://doi.org/10.12669/pjms.35.4.1091.