Chandran, S. S., Shivan, H., Bharathi, D., & Samal, S. (2017). Comparison of cervical characteristics assessed by TVUS (with and without saline) with digital method in prediction of labor induction outcome: a prospective study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(3), 634–640. https://doi.org/10.18203/2320-1770.ijrcog20150065