9Terrent A. C, Vernon H. Manipulation and pain tolerance American Jour - hal of Physic al Medicine [ J ]. 1984,63 : 217-225.
10OLIPHANT D. Safety of spinal manipulation in the treat- ment of lumbar disk hemiations : a systematic review and risk as ses sment [ J ]. J Manipula - five Physiol T- her. 2004,27(3) :197-210.