OGUIZU, A.D. Assessment of Iron, Selenium and Zinc Status of Pregnant Women in Obio-Akpor LGA Rivers State. Pakistan Journal of Nutrition, Pakistan, v. 14, n. 1, p. 1–5, 2014. DOI: 10.3923/pjn.2015.1.5. Disponível em: https://pjnonline.org/pjn/article/view/2083. Acesso em: 8 oct. 2025.