Anand S, Jaggi R, Bala N. Serum magnesium levels in preterm labour in relation to socio-economic status. Int J Reprod Contracept Obstet Gynecol [Internet]. 2022 Jan. 28 [cited 2025 Oct. 13];11(2):552-6. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/11285