Gupta, N., Divedi, P. and Dwivedi, D. 2018. Preterm labour and its effect on perinatal morbidity and mortality. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 7, 5 (Apr. 2018), 1993–1996. DOI:https://doi.org/10.18203/2320-1770.ijrcog20181944.