Cite as

He Jianhua, Cao Junli, Xu Yanbing, Song Xuesong, Ding Hailei, Zeng Yinming. Activation of the spinal extracellular signal--regulated kinase is involved in morphine dependence and naloxone--precipitated withdrawal response . Acta Physiol Sin 2005; 57 (5): (in Chinese with English abstract).