Tamrakar, Suman Raj, and Rubina Shrestha. 2020. “Role of Cervical Length Assessment at Mid-Trimester Scan for Predicting Preterm Births: An Experience from Tertiary Hospital”. Journal of Kathmandu Medical College 8 (4):187-92. https://jkmc.com.np/ojs3/index.php/journal/article/view/927.