F. Njoroge, B. Olabu, J. Kigera, and A. Pulei, “Umbilical cord structural changes in Kenyan women with anemia diagnosed within the first 20 weeks of pregnancy: A retrospective cohort study”., J Obstet Gynaecol East Cent Africa, vol. 37, no. 3, pp. 116–124, Sep. 2025.