4[1]McGill R, Torgerson WS. On the language of pain. Anesthesiology, 1971,34:50~59.
5[2]McGill R. The McGill Pain Questionnaire: Major properties and scoring methods. Pain, 1975, 1:277~299.
6[4]Holroyd KA, Holm JE, Keefe FJ, et al. A multi-center evaluation of the McGill Pain Questionnaire: Results from more than 1700 chronic pain patients. Pain, 1992,48:301~311.
7[5]Fernandez E,Towery S.A parsimonious set of verbal descriptors of pain sensation derived from the McGill Pain Questionnaire.Pain,1996,66:31~37.
8[6]Zola IK. Culture and symptoms-an analysis of patients' presenting complaints. Am Sociol Rev 1966,31:615.
1Radcliff K, Kepler C, Hilibrand A,et al. Epidural steroid injections are as- sociated with less improvement in patients with lumbar spinal stenosis:a subgroup analysis of the Spine Patient Outcomes Research Trim [J]. Spine (Phila Pa 1976), 2013,38(4):279- 291.