Sudhir P, Sunita, and Sunita Mishra. “A Prospective Study of Etiology and Outcome of Preterm Labour in a Rural Medical College”. Obs Gyne Review: Journal of Obstetric and Gynecology 2, no. 4 (December 31, 2016): 44-48. Accessed May 2, 2024. https://obstetrics.medresearch.in/index.php/joog/article/view/18.