Wichachai, W. (2021). Comparison Fascia Iliaca Block between 30 and 40 ml of 0.33% Bupivacaine in 48-hour Postoperative Morphine Consumption for Hip Surgery in Elderly Patients. Thai Journal of Anesthesiology, 47(2), 79–84. retrieved from https://he02.tci-thaijo.org/index.php/anesthai/article/view/249142