Surapol Sriboonsong. (2005) The study of meditation effect to heart rate. <i>Journal of Medicine and Health Sciences</i>, <i>12</i>(3), 94-103.Surapol Sriboonsong. "The study of meditation effect to heart rate". Journal of Medicine and Health Sciences 12 (2005):94-103.Surapol Sriboonsong. The study of meditation effect to heart rate. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2005.