«Iron Status of Pregnant Women in Rural and Urban Communities of Cross River State, South-South Nigeria», NJPS, т. 31, вып. 2, сс. 121–125, май 2021, просмотрено: 21 май 2026 г. [онлайн]. доступно на: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1861