7Fujiwara A, Tamai K, An HS, et al. Orientation and osteoarthritis of the lumbar facet joint [J]. Clin Orthop Relat Res, 2001, 4(385): 88-94.
8Manchikanti L, Singh V, Falco F J, et al. Evaluation of lumbar facet joint nerve blocks in managing chronic low back pain: a randomized, doudle-blind, controlled trial with a 2-year follow-up[J]. Int J Med Sci, 2010, 7(3): 124-135.
9Pampati S, Cash KA, Manchikanti L. Accuracy of diagnostic lumbar facet joint nerve blocks: a 2-year follow-up of 152 patients diagnosed with controlled diagnostic blocks[J]. Pain Physician, 2009, 12(15): 855-866.
10Juniper M, Le TK, epidemiology MT, et al. And pharmacological treatment of chromic low back pain in France, Germany, Italy, Spain and the UK: a literature-based review[J]. Expert Opine Pharmacother, 2009, 10(16): 2581-2592.