Juthasantikul, W., A. Chantarokorn, and T. Chanchayanon. “Surgeons’ Satisfaction With Anesthesia Services in Songklanagarind Hospital”. Srinagarind Medical Journal, vol. 27, no. 2, Aug. 2013, pp. 118-24, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/11094.