Altered intrinsic hippocmapus declarative memory network and its association with impulsivity in abstinent heroin dependent subjects. - Tian-Ye Zhai; Yong-Cong Shao; Chun-Ming Xie; En-Mao Ye; Feng Zou; Li-Ping Fu; Wen-Jun Li; Gang Chen; Guang-Yu Chen; Zheng-Guo Zhang; Shi-Jiang Li; Zheng Yang (Behavioural Brain Research, 2014)