Boonmamanee N. 2018. “Effectiveness of Smart Focus Extracorporeal Shock Wave Therapy for Chronic Plantar Fasciitis: Comparison of Recommended Guideline Energy Strategy and Lower Energy Strategy”. Journal of The Department of Medical Services 43 (1):51-55. https://he02.tci-thaijo.org/index.php/JDMS/article/view/248205.