Activation of Astrocytic μ-Opioid Receptor Causes Conditioned Place Preference oleh Min-Ho Nam, Kyung-Seok Han, Jaekwang Lee, Woojin Won, Wuhyun Koh, Jin Young Bae, Junsung Woo, Jayoung Kim, Elliot Kwong, Tae-Yong Choi, Heejung Chun, Seung Eun Lee, Sang-Bum Kim, Ki Duk Park, Se-Young Choi, Yong Chul Bae, C. Justin Lee