S. . Zulfiqar, S. . Aftab, A. . Zulfiqar, T. Sehar, . K. . Kanwal, and T. A. . Qureshi, “Diagnostic Accuracy of Transperineal Sonography in Determining Accurate Cervical Length At 24-32 Weeks of Gestation”, PJMD, vol. 14, no. 3, pp. 306–313, Jul. 2025, doi: 10.36283/ziun-pjmd14-3/047.