Chompubai, P., Pichayaphan, S. and Wongsuwan, C. (2025) “Efficacy of Patient-Administered Oral Analgesia after Elective Cesarean Section”, Thai Journal of Anesthesiology, 51(5), pp. 329–338. available at: https://he02.tci-thaijo.org/index.php/anesthai/article/view/277307 (accessed: 20 September 2026).