Horatanaruang, Duenpen, Piyaporn Bunsangjareon, and Wimonrat Krisanaprakornkit. 2013. “Pediatric Pain Service in Srinagarind Hospital”. Srinagarind Medical Journal 19 (3):141-45. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14545.