M. Barati, N. Nasehi, S. Aberoumand, M. Najafian, and A. Emami Moghadam, “Factors causing timely referral for fetal echocardiography in the final diagnosis of congenital heart malformations: A cross-sectional study”, IJRM, vol. 20, no. 6, pp. 477-482, Jul. 2022.