Cite as

Sun Xiaocai, Li Wenbin, Li Shuqin, Li Qingjun, Chen Xiaoling, Ai Jie. Intrathecal injection of [Sar~(9), Met (O_(2))~(11)]-substance P, neurokinin-1 receptor agonist, increases nitric oxide synthase expression and nitric oxide production in the rat spinal cord. Acta Physiol Sin 2003; 55 (6): (in Chinese with English abstract).