Prevalence of Vitamin D Deficiency and Its Association with Disease Activity among Libyan Patients with Inflammatory Bowel Disease. Attahadi Medical Journal, [S. l.], p. 445–451, 2026. DOI: 10.69667/amj.26327. Disponível em: https://attahadi.ly/journal/index.php/amj/article/view/187.. Acesso em: 31 aug. 2026.