Kanokporn Ooneklabh. (1999) Comparative study of pressure pain threshold at upper back region between sedentary women aged 35-54 years with myofascial pain syndrome and normal women. Mahidol University,:ม.ป.ท.Kanokporn Ooneklabh. 1999. Comparative study of pressure pain threshold at upper back region between sedentary women aged 35-54 years with myofascial pain syndrome and normal women. ม.ป.ท.:Mahidol University,;Kanokporn Ooneklabh. Comparative study of pressure pain threshold at upper back region between sedentary women aged 35-54 years with myofascial pain syndrome and normal women. ม.ป.ท.:Mahidol University, 1999. Print.