Igwilo, A. C., Okafor, I. M. and Amilo, G. I. (2026) “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, 14(9), pp. 3745–3752. doi: 10.18203/2320-6012.ijrms20263083.