21. RELATIONSHIP BETWEEN DEPTH OF ANESTHESIA AND DOSAGE OF PROPOFOL DURING CARDIOPULMONARY BYPASS IN PATIENTS UNDERGOING OPEN HEART SURGERY. (2025). Vietnam Journal of Community Medicine, 66(CĐ13- HNKH Gây mê Hồi sức). https://doi.org/10.52163/yhc.v66iCD13.3187