T., Malathi, and Sowmya Sampurna Maddipati. “A Comparative Study of Serum Magnesium Levels in Preterm Labour and Term Labour”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 8 (July 23, 2020): 3291–3296. Accessed December 3, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/8629.