@article{ogar_okpokam_okoroiwu_okafor_2022,  title={Comparative analysis of hematological parameters of first-time and repeat blood donors: Experience of a blood bank in southern Nigeria},  volume={44},  ISSN={2531-1379},  url={https://doi.org/10.1016/j.htct.2021.06.013},  DOI={10.1016/j.htct.2021.06.013},  number={4},  journal={Hematology, Transfusion and Cell Therapy},  publisher={Associação Brasileira de Hematologia, Hemoterapia e Terapia Celular (ABHH)},  author={Ogar, Christopher Ogar and Okpokam, Dorathy Chioma and Okoroiwu, Henshaw Uchechi and Okafor, Ifeyinwa Maryann},  year={2022},  month={Oct},  pages={512–518} }