“PREVALENCE OF VITAMIN D DEFICIENCY AND CORRELATIONS BETWEEN PLASMA 25-HYDROXYVITAMIN D CONCENTRATIONS AND SELECTED BIOCHEMICAL PARAMETERS OF BONE METABOLISM AMONG FEMALE HEALTHCARE WORKERS AGED 45–55 YEARS”. Vietnam Journal of Community Medicine 67, no. CD14 (September 19, 2026). Accessed September 19, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/6459.