2024. 10. EVALUATE THE EFFECTIVENESS OF IMPROVING RESPIRATORY FUNCTION AND BLOOD OXYGENATION OF CPAP METHOD ON JPAP DEVICE IN ELDERLY PATIENTS AFTER ABDOMINAL SURGERY. Vietnam Journal of Community Medicine. 65, CĐ 9 - Hội Gây mê Hồi sức (Sept. 2024). DOI:https://doi.org/10.52163/yhc.v65iCD9.1517.