Gupta, Jyotika, Sejal Patel, and Yogesh Parmar. “A Case Report of Methemoglobinemia in Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 13, no. 6 (May 29, 2024): 1616–1618. Accessed November 11, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/14109.