7Abdulkarim JA,Dhingsa R,L Finlay DB. Magnetic resonance imaging of the cervical spine:frequency of degenerative changes in the intervertebral disc with relation to age[J]. Clin Radiol, 2003,58(12) : 980-984.
8Ylinen J,Takala EP,Kautiainen H,et al. Association of neck pain,disability and neck pain during maximal effort with neck muscle strength and range of movement in women with chronic non-specific neck pain [J]. Eur J Pain, 2004,8( 5 ) : 473-478.
9Ylinen JJ,Takala EP,Nykanen MJ,et al. Effects of twelve-month strength training subsequent to twelve-month stretching exercise in treatment of chronic neck pain [J]. J Strength Cond Res,2006,20(2):304-308.
10Manchikanti L,Singh V,Panpati V,et al. Is there Correlation of pain in lumbar and cervical spinal? An evaluation of prevalence in combine chronic low back and neck pain[J]. Pain Physician, 2002,5(4) : 365-371.