1.
Accuracy of Ultrasonography for Gestational Age Estimation Compared with Last Menstrual Period: A Cross-Sectional Study: https://doi.org/10.5281/zenodo.18210578. Pjmcr. 2026;4(4):2422-2428. Accessed June 27, 2026. https://pakjmcr.com/index.php/1/article/view/463