Hanh, Pham Thi, and Tran Thi Thu. “An Assessment of Heel Blood Sampling Procedures for Postnatal Screening in Newborn Infants at the National Hospital of Obstetrics and Gynecology in Vietnam, 2023”. International journal of health sciences 7, no. S1 (November 23, 2023): 3014–3019. Accessed May 4, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/14637.