Association between physical activity and vitamin D status: A cross-sectional study from the PERSIAN Guilan cohort study. Journal of Current Biomedical Reports, [S. l.], v. 5, n. 3, p. 87–93, 2024. DOI: 10.61882/jcbior.5.3.290. Disponível em: https://jcbior.homes/index.php/JCBioR/article/view/290. Acesso em: 11 jun. 2026.