Turkan, Taiceer A., and Jamal R. Al-Rawi. “Vitamin D Level and Telogen Hair Loss: A Case Control Study”. Journal of the Faculty of Medicine Baghdad 63, no. 3 (September 26, 2021). Accessed December 4, 2021. https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1846.