“Iron Status of Pregnant Women in Rural and Urban Communities of Cross River State, South-South Nigeria” (2021) Nigerian Journal of Physiological Sciences, 31(2), صص 121–125. قابل دسترس در: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1861 (دسترسی: 21 می 2026).