NGUYEN, T. H., & LUU, T. M. T. (2022). NUTRITION STATUS AND VITAMIN D DEFICIENCY IN CHILDREN FROM 6-11 YEARS OLD AT THE NATIONAL HOSPITAL OF PEDIATRICS. Vietnam Journal of Nutrition & Food, 14(5), 53-59. https://tapchidinhduongthucpham.org.vn/index.php/jfns/article/view/325