Woravipa Israsena Na Ayudhya และ Worawan Rojanawong. (2022) Prevalence and Risk Factors of Positional Obstructive Sleep Apnea (POSA) among Children with Obstructive Sleep Apnea. <i>Vajira Medical Journal</i>, <i>66</i>(6), 381-388.Woravipa Israsena Na Ayudhya และ Worawan Rojanawong. "Prevalence and Risk Factors of Positional Obstructive Sleep Apnea (POSA) among Children with Obstructive Sleep Apnea". Vajira Medical Journal 66 (2022):381-388.Woravipa Israsena Na Ayudhya และ Worawan Rojanawong. Prevalence and Risk Factors of Positional Obstructive Sleep Apnea (POSA) among Children with Obstructive Sleep Apnea. Text and Journal Publication:ม.ป.ท. 2022.