Adekanmi, Ademola Joseph, et al. “Normal Second and Third Trimester Uterine and Umbilical Doppler Indices Among Healthy Singleton Gestation Nigerian Women”. West African Journal of Radiology, vol. 24, no. 1, Aug. 2025, pp. 1-7, https://doi.org/10.82235/wajr.vol24no1.366.