Ngo CQ, Tran DH, Duong TKL, Mai TT. STUDY ON SOME RISK FACTORS ASSOCIATED WITH SEVERE PNEUMONIA IN CHILDREN AGED 2 MONTHS TO 5 YEARS AT CHILDREN’S HOSPITAL 1 HO CHI MINH CITY. CTJUMP [Internet]. 2025 Apr. 25 [cited 2026 Aug. 3];(86):199-205. Available from: https://tapchi.ctump.edu.vn/index.php/ctump/article/view/3490