Vafaei, Homeira, Khatoon Rafeei, Maryam Dalili Maryam Dalili, Nasrin Asadi, Nosaibe Seirfar, and Mojgan Akbarzadeh-Jahromi. 2021. “Prevalence of Single Umbilical Artery, Clinical Outcomes and Its Risk Factors: A Cross-Sectional Study”. International Journal of Reproductive BioMedicine (IJRM) 19 (5), 441–448. https://doi.org/10.18502/ijrm.v19i5.9253.