“EPIDEMIOLOGICAL CHARACTERISTICS OF PNEUMONIA WITH H. INFLUENZAE ISOLATION FROM PHARYNGEAL OUTBREAK AT HAI PHONG CHILDREN’S HOSPITAL IN 2022”. Vietnam Journal of Community Medicine 67, no. CĐ7-Trường ĐH Y Dược Hải Phòng (July 6, 2026). Accessed September 8, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/5571.