Roongtiwa Chanpitayanukulkij. 1989. A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement. Faculty of Graduate Studies, Mahidol University;

Roongtiwa Chanpitayanukulkij. A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement. . Bangkok:Mahidol University, 1989.

Roongtiwa Chanpitayanukulkij. (1989) A study of the effects of rotatory manipulation during cervical traction in patients with painful limited neck movement . Mahidol University/Bangkok.