OKAFOR, A. I. Spectrum of ABO, D and Secretor Blood groups among residents of Iwollo community, of South Eastern Nigeria. International Journal of Medical Science and Clinical Invention, [S. l.], v. 4, n. 5, 2017. DOI: 10.18535/ijmsci/v4i5.05. Disponível em: https://valleyinternational.net/index.php/ijmsci/article/view/773. Acesso em: 6 may. 2024.