http://jcps.bjmu.edu.cn
N-nitro-L-arginine Attenuates Morphine and Dihydroetorphine-induced Place Preference in Mice
Wan Xingwang, Huang Mao, He Yaqin, Li Wanhai, Wan Li, You Zhendong, Lu Changlin
. 2002, (4): 162 -165 .