Nazneen, S., Kandasamy, V., & Shinde, R. V. (2024). A comparative study of spontaneously conceived twin pregnancies vs. twins conceived by assisted reproductive techniques and their maternal and perinatal outcomes: a prospective observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 13(10), 2770–2775. https://doi.org/10.18203/2320-1770.ijrcog20242809