RETRACTED: Effects of electro-acupuncture on NT-4 expression in spinal dorsal root ganglion and associated segments of the spinal dorsal horn in cats subjected to adjacent dorsal root ganglionectomy

This article has been retracted: please see Elsevier Policy on Article Withdrawal(http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Authors.The article is a substantial duplication/re-working of results published by the some of the Authors in Sichuan Da Zue Xue Bao Yi Xue Ban, 36(2005) 625–629 and without citation to the original work. The authors would like to apologize for this error on their part.