“22. EVALUATING CHANGES IN REGIONAL CEREBRAL OXYGEN SATURATION USING NEAR- INFRARED SPECTROSCOPY AND SEVERAL FACTORS RELATED TO REGIONAL CEREBRAL OXYGEN DESATURATION IN PATIENT UNDERGOING CARDIOVASCULAR SURGERY” (2024) Vietnam Journal of Community Medicine, 65(CĐ 9 - Hội Gây mê Hồi sức). doi:10.52163/yhc.v65iCD9.1535.