JAWAHIR TEHSEEN, DURR-E-SADAF, MUHAMMAD MUZAMIL, MUHAMMAD MOHSIN KAMAL, SYED UMER FAROOQ, VARDA JALIL. Correlation of Serum Vitamin D Levels with Severity of Oral Submucous Fibrosis; A Cross-Sectional Study Evaluating Clinical Staging and Grading. International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 16, n. 1, p. 1916–1923, 2026. Disponível em: https://www.ijprt.org/index.php/pub/article/view/1803. Acesso em: 24 apr. 2026.