Tran, N. M. H.; Nguyen, Q. N. L.; Le, T. T. A.; Bui, T. N.; Dang, T. H.; Truong, V. T.; Nguyen, V. Q. H. Mental Health and Coping Methods of Medical Students During the Fourth Wave of the COVID-19 Pandemic: A Descriptive Cross-Sectional Study. HUEJMP 2023, 13, 140.