“Correlation of Gestational Age Assessed by Last Menstrual Period, Antenatal Ultrasonography and New Ballard Score” (2025) GAIMS Journal of Medical Sciences, 5(2 (Jul-Dec), pp. 107–111. Available at: http://gjms.gaims.ac.in/ojs/index.php/gjms/article/view/442 (Accessed: 25 October 2025).