Musa, I. R., Rayis, D. A., Ahmed, M. A., Khamis, A. H., Nasr, A. M., & Adam, I. (2018). Thyroid Function and 25 (OH) Vitamin D Level among Sudanese Women in Early Pregnancy. Open Access Macedonian Journal of Medical Sciences, 6(3), 488–492. https://doi.org/10.3889/oamjms.2018.125