Vafaei, H., Rafeei, K., Maryam Dalili, M. D., Asadi, N., Seirfar, N. and Akbarzadeh-Jahromi, M. (2021) “Prevalence of single umbilical artery, clinical outcomes and its risk factors: A cross-sectional study”, International Journal of Reproductive BioMedicine (IJRM), 19(5), pp. 441–448. doi: 10.18502/ijrm.v19i5.9253.