Acute and long‐term effects of repeated ketamine infusions in treatment‐resistant depression and associated metabolite changes. - Sakurai, Hitoshi; Setoyama, Daiki; Kato, Takahiro A.; Tachimori, Hisateru; Murao, Masami; Matsumoto, Yasuyuki; Tada, Teruo; Imamura, Yayoi; Seki, Hiroyuki; Tsuboi, Takashi; Uchida, Hiroyuki; Watanabe, Koichiro (Psychiatry & Clinical Neurosciences, 2025)