T., M., and S. S. Maddipati. “A Comparative Study of Serum Magnesium Levels in Preterm Labour and Term Labour”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 8, July 2020, pp. 3291-6, doi:10.18203/2320-1770.ijrcog20203311.