PHAN TDN, DO TH, PHAM HK, NGUYEN GK, NGUYEN DP. THE CURRENT STATUS OF VITAMIN D DEFICIENCY AND SOME RELATED FACTORS IN CHILDREN UNDER 5 YEARS OLD AT NGHE AN OBSTETRICS AND PEDIATRICS HOSPITAL IN 2024. Tạp chí Dinh dưỡng và Thực phẩm. 2024;21(1):65-73. doi:10.56283/1859-0381/718