RT Journal Article SR Electronic(1) A1 Kenji Kikushima A1 et al. YR 2021 T1 Improvement of Cognitive Functions by Taking Supplement Containing Panax ginseng―A Randomized, Placebo—controlled, Double—blind, Clinical Study― JF 薬理と治療 VO 49 IS 7 SP 1149 OP 1156 UL https://www.pieronline.jp/content/article/0386-3603/49070/1149