“CLINICAL SYMPTOMS AND RESPIRATORY COMPLICATIONS AMONG CHILDREN WITH SEASONAL INFLUENZA AT NATIONAL CHILDREN’S HOSPITAL, VIETNAM, 2020-2021: SEASONAL INFLUENZA AT NATIONAL CHILDREN’S HOSPITAL, VIET NAM”, SEATROPH, vol. 52, no. 6, pp. 790–799, Nov. 2021, Accessed: Apr. 16, 2026. [Online]. Available: https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/558