”A Survey of ABO, Rhesus (D) Antigen and Haemoglobin Genes Variants in Oyo State, Nigeria”, NJPS, vol. 30, nr 1, s. 125–129, maj 2021, åtkomstdatum: 05 juni 2026. [Online]. Tillgänglig vid: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1843