«Iron Status of Pregnant Women in Rural and Urban Communities of Cross River State, South-South Nigeria», NJPS, vol. 31, fasc. 2, pp. 121–125, mag. 2021, Consultato: 29 aprile 2026. [Online]. Disponibile su: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1861