Ninh, Trần Đăng, Lê Văn Tám, Lê Phước Phương, Đặng Văn Khanh, and My Đặng Thị Trà. 2023. “SURVEY ABOUT THE ROLE OF AGE, HYPERTENSION, AND DIABETES ON THE SEVERITY OF COVID-19”. Journal of 175 Practical Medicine and Pharmacy, no. 30 (June):8. https://doi.org/10.59354/ydth175.2022.29.