2025. 13. ANALGESIC EFFICACY OF QUADRATUS LUMBORUM BLOCK COMBINED WITH SYSTEMIC ANALGESICS AFTER COLORECTAL SURGERY. Vietnam Journal of Community Medicine. 66, CĐ13- HNKH Gây mê Hồi sức (Sept. 2025). DOI:https://doi.org/10.52163/yhc.v66iCD13.3179.