LIU Ying, WU Yu-Wei, QIAN Zhao-Qiang, YAN Cai-Fang, FAN Ka-Min, XU Jin-Hui, LI Xiao, Liu Zhi-Qiang. [Effect of opioid receptors on acute stress-induced changes in recognition memory.] [Article in Chinese]. Acta Physiol Sin 2016; 68 (6): 757-766 (in Chinese with English abstract).