4Travell J, Rinzler S, Herman M. Pain and disability of the shoulder and arm. treatment by intramuscular infil- tration with procaine hydrochloride[J]. JAMA, 1942, 120:417-422.
5Travell J, Simons DG. Myofascial Pain and Dysfunc tion;The Trigger Point Manual[M]. 2nd ed. Balti- more: Williams & Wilkins,1999:74,136-137.
6Gerwin RD. A study of 96 subjects examined both for fibromyalgia and myofascial pain (Abastract) [J]. J Musculoske Pain, 1995,3(S1) : 121.
7Fishbain DA, Goldberg M, Meagher BR, et al. Male and female chronic pain patients categorized by DSM-III psychiatric diagnostic criteria [J]. Pain, 1986,26 ( 2 ) : 181-197.
8Mense S, Simons DG. Muscle Pain[M]. Baltimore: Williams & Wilkins,2000.
9Fu ZH, Hsieh YL, Hong CZ, et al. Remote subcuta- neous needling to suppress the irritability of myofascial trigger spots:an experimental study in rabbits[J]. Evid Based Complement Ahernat Med, 2012, 2012:353916. doi: 10.1155/2012/353916.
10Langevin HM, Churchill DL, Wu J, et al. Evidence of connective tissue involvement in acupuncture [J].FASEB,2002,16(8) :872-874.