Pakdee Thiptawee. (1992) A comparison of cyclic and sustained passive stretching to increase range of motion of the restricted knee. Mahidol University,:ม.ป.ท.Pakdee Thiptawee. 1992. A comparison of cyclic and sustained passive stretching to increase range of motion of the restricted knee. ม.ป.ท.:Mahidol University,;Pakdee Thiptawee. A comparison of cyclic and sustained passive stretching to increase range of motion of the restricted knee. ม.ป.ท.:Mahidol University, 1992. Print.