Pooransari, Parichehr, Fatemeh Salehi, Maryam Afrakhteh, Masoumeh Mirzamoradi, Soraya Saleh Gargari, and Omid Ghatreh Samani. “Cervical Consistency Index Is a Valid Predictor of Preterm Birth in Low-Risk Pregnant Women”. Universa Medicina 37, no. 2 (August 10, 2018): 150–158. Accessed July 21, 2024. https://univmed.org/ejurnal/index.php/medicina/article/view/648.