Astha, and Divya. 2023. “Serum Magnesium Level at 24 to Less Than 37 Weeks: A Prospective COHORT Study Predicting Spontaneous Preterm Delivery”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 12 (11):3347-52. https://doi.org/10.18203/2320-1770.ijrcog20233307.