Sen, M., Samal, S., Datta, S., & George, M. (2019). Abnormal cardiotocographic findings and perinatal outcome: a prospective study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 8(11), 4261–4270. https://doi.org/10.18203/2320-1770.ijrcog20194841