4Siddall P J, McClelland JM, Rutkowski SB, et al. A longitudinal study of the prevalence and characteristics of pain in the first 5 years following spinal cord injury [J]. Pain, 2003, 103: 249-257.
6Yezierski RE Pain following spinal cord injury pain: Central mechanisms [M].//Cervero F, Jensen TS. Handbook of Clini- cal Neurology. Vol 81, Pain. Amsterdam (the Netherlands): Elsevier Science Pub Co, 2006: 293-307.
7Nakae A, Nakai K, Yano K, et al. The animal model of spinal cord injury as an experimental pain model [J]. J Biomed Bio- technol, 2011, 7: 1-11.
8Crown ED, Ye Z, Johnson KM, et al. Increases in the activated forms of ERK 1/2, p38 MAPK, and CREB are correlated with the expression of at-level mechanical allodynia following spi- nal cord injury [J]. Exp Neurol, 2006, 199(2): 397-407.
9Vail J, Costa CM, Santos Tde J, et al. Neuropathic pain charac- teristics in patients from Curitiba (Brazil) with spinal cord inju- ry [J]. Arp Neurosiquiatr, 2011, 69(1): 64-68.
10Kessler R, Mroczek D. Final version of our psychological dis- tress scale [R]. The University of Michigan, Open Research Memorandum, 2001.
