Vitamin D Status and Its Relationship with Age, Gender and Parathyroid Hormone. The Eurasia Proceedings of Health, Environment and Life Sciences, [S. l.], v. 1, p. 1–9, 2021. DOI: 10.55549/ephels.1. Disponível em: https://ephels.net/index.php/ephels/article/view/1. Acesso em: 25 oct. 2025.