Metta Mulsup. (1995) Pressure pain threshold and tolerance and psychomotor speed at rest in Thai boxers. Mahidol University,:ม.ป.ท.Metta Mulsup. 1995. Pressure pain threshold and tolerance and psychomotor speed at rest in Thai boxers. ม.ป.ท.:Mahidol University,;Metta Mulsup. Pressure pain threshold and tolerance and psychomotor speed at rest in Thai boxers. ม.ป.ท.:Mahidol University, 1995. Print.