«A Survey of ABO, Rhesus (D) Antigen and Haemoglobin Genes Variants in Oyo State, Nigeria», NJPS, bd. 30, nr. 1, s. 125–129, mai 2021, åpnet: 4. april 2026. [Online]. Tilgjengelig på: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1843