UNDERWEIGHT MALNUTRITION AMONG CHILDREN UNDER FIVE YEARS OF AGE IN YEN CUONG COMMUNE, BAC ME DISTRICT, HA GIANG PROVINCE, AND ASSOCIATED FACTORS. YHCĐ [Internet]. 2026 Sept. 9 [cited 2026 Sept. 14];67(CD13). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6519