“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), ss. 121–125. Erişim adresi: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1861 (Erişim: 29 Nisan 2026).