”A Survey of ABO, Rhesus (D) Antigen and Haemoglobin Genes Variants in Oyo State, Nigeria” (2021) Nigerian Journal of Physiological Sciences, 30(1), s. 125–129. Tillgänglig vid: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1843 (åtkomstdatum: 21 maj 2026).