จิรชาญชัย อ. (2017) “Treatment Outcomes of Asthmatic Children before and after attended at Easy Asthma Clinic, Phetchabun Hospital 2015”, Region 11 Medical Journal, 31(2), pp. 279–285. available at: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/170129 (accessed: 20 September 2026).