Lama H., M., Hussein, F., Sadek, H., & Abdelghany, W. (2022). Serum vitamin D level in healthy individuals versus patients with symptomatic and asymptomatic oral lichen planus: Vitamin D level in OLP. Cellular and Molecular Biology, 68(2), 19–25. https://doi.org/10.14715/cmb/2022.68.2.3