Mohapatra, K., Ghosh, S., Dash, R. and Sahoo, B. (2017) “Role of vaginal progesterone in reducing the rate of preterm labour in women with a sonographic short cervix”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(6), pp. 1793–1797. doi: 10.18203/2320-1770.ijrcog20151250.