Prevalence of Vitamin D and Vitamin B12 Deficiency in Patients reporting to the West Bank governmental hospitals in the period between January 2015 and December 2018. Al-Quds Journal for Natural Sciences, [S. l.], v. 1, n. 1, 2021. Disponível em: https://aquja.alquds.edu/index.php/science/article/view/11. Acesso em: 27 apr. 2025.