Piyasak Vitayaburananont และ Haruthai Chotisukarat. (2016) Pediatric Pain. <i>Vajira Medical Journal</i>, <i>60</i>(2), 135 - 145.Piyasak Vitayaburananont และ Haruthai Chotisukarat. "Pediatric Pain". Vajira Medical Journal 60 (2016):135 - 145.Piyasak Vitayaburananont และ Haruthai Chotisukarat. Pediatric Pain. Vajira Medical Journal:ม.ป.ท. 2016.