«A Survey of ABO, Rhesus (D) Antigen and Haemoglobin Genes Variants in Oyo State, Nigeria». Nigerian Journal of Physiological Sciences 30, no. 1 (mai 20, 2021): 125–129. åpnet april 4, 2026. https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1843.