Roongtiwa Chanpitayanukulkij. (1989) A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement. Mahidol University,:ม.ป.ท.Roongtiwa Chanpitayanukulkij. 1989. A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement. ม.ป.ท.:Mahidol University,;Roongtiwa Chanpitayanukulkij. A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement. ม.ป.ท.:Mahidol University, 1989. Print.