Gayam, Susheela, Paaka Madhurima, Sashikala Paul, and Mythili Tallavajhula. “The Validity of Single Step Test (DIPSI) for Screening for GDM in All Trimesters of Pregnancy”. Obs Gyne Review: Journal of Obstetric and Gynecology 1, no. 2 (December 31, 2015): 34-38. Accessed March 4, 2021. https://obstetrics.medresearch.in/index.php/joog/article/view/7.