“21. EVALUATION THE ANALGESIC EFFECT AFTER CESAREAN SECTION BY BILATERAL QUADRATUS LUMBER BLOCK SINGER SHOT UNDER ULTRASOUND GUIDANCE WITH ROPIVACAINE PLUS DEXAMETHASONE”. Vietnam Journal of Community Medicine 64, no. 3 (April 24, 2023). Accessed September 28, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/656.