"Composite Morphometric/Morphographic Ultrasound Parameters of the Second Trimester Cervix for the Prediction of Spontaneous Preterm Labor". Medical Technologies Journal 2, no. 1 (مارس 19, 2018): 193–193. تاريخ الوصول أكتوبر 25, 2026. https://medtech.ichsmt.org/index.php/MTJ/article/view/148.