SUPINE VS. TRENDELENBURG POSITIONING EFFECTS ON BLOOD PRESSURE, CARDIAC OUTPUT, AND VASOPRESSOR REQUIREMENT DURING SPINAL ANESTHESIA. RMSR [Internet]. 2025 Dec. 23 [cited 2026 Jun. 29];3(12):1022-8. Available from: https://medicalsciencereview.com/index.php/Journal/article/view/2869