A AHMED, Shaheen. The Role of Serum Vitamin D Deficency in oral Lichen Planus Case Control Study. Diyala Journal of Medicine, [S. l.], v. 17, n. 2, p. 189–198, 2019. Disponível em: https://djm.uodiyala.edu.iq/index.php/djm/article/view/511. Acesso em: 11 sep. 2025.