Yarlagadda, Srilakshmi, Sajana G., and Prasuna J. L. Narra. 2018. “Association of Vaginal Infections in Preterm Labour”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7 (6):2174-79. https://doi.org/10.18203/2320-1770.ijrcog20182030.