Huong, H. T. X., P. D. N. Vi, N. T. Giang, L. T. Nhung, V. H. Anh, N. T. H. Trang, D. T. Loan, and T. Q. Trung. “23. Prevalence of Insomnia and Its Association in COVID-19-Recovered Healthcare Workers in Some Hospitals of Vietnam”. Journal of Medical Research, vol. 177, no. 4E14, May 2024, pp. 185-9, doi:10.52852/tcncyh.v177i4E14.2417.