Trajchevski, M. E. “Doppler Findings of Fetal Circulation Associated With Types of Birth and Parturients Grouped According to Robson’s Classification”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 15, no. 2, Jan. 2026, pp. 404-11, doi:10.18203/2320-1770.ijrcog20260155.