Adu, E. M., Isibor, C. N. and Ezie, E. (2014) “Prevalence of haemoglobin variants among the Ika ethnic nationality of Delta state”, International Journal of Medicine and Biomedical Research, 3(2), pp. 63–67. Available at: https://www.ajol.info/index.php/ijmbr/article/view/105988 (Accessed: 27 October 2026).