The Combination of Long-term Ketamine and Extinction Training Contributes to Fear Erasure by Bdnf Methylation oleh Jian-Jun Yang, Ling-Sha Ju, Jiao-Jiao Yang, Jiao-Jiao Yang, Lei Lei, Jiang-Yan Xia, Dan Luo, Mu-Huo Ji, Anatoly E. Martynyuk