IGWILO, A. C.; OKAFOR, I. M.; AMILO, G. I. Trimester specific changes in nutritional and iron related biomarkers among pregnant women in Calabar, Nigeria: a longitudinal study. International Journal of Research in Medical Sciences, [S. l.], v. 14, n. 9, p. 3745–3752, 2026. DOI: 10.18203/2320-6012.ijrms20263083. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/16698. Acesso em: 30 aug. 2026.