Khajotia, S., Sharma, M., Khichar, M. C., Gupta, M. and Choudhary, K. (2021) “Study of pre induction transvaginal ultra-sonographic cervical length and its comparison with bishop score in predicting successful labor induction”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 10(6), pp. 2335–2340. doi: 10.18203/2320-1770.ijrcog20212172.