Patel, Purvi K, Dipa S Pitre, and Suman P Bhooker. “Predictive Value of Various Risk Factors for Preterm Labor”. National Journal of Community Medicine 6, no. 01 (March 31, 2015): 121–125. Accessed May 5, 2024. https://njcmindia.com/index.php/file/article/view/1144.