2025. 7. SLEEP QUALITY AND RELATED FACTORS AMONG PRE-OPERATIVE INPATIENTS AT VIETDUC UNIVERSITY HOSPITAL. Vietnam Journal of Community Medicine. 66, CĐ10-HNKH Trường ĐH Phenikaa (June 2025). DOI:https://doi.org/10.52163/yhc.v66iCD10.2610.