Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takaaki Nishimoto and Akinobu Gotoh and Tomoyuki Nishizaki and Takeshi Kanno,RETRACTED: DL–/PO–phosphatidylcholine serves as a memory enhancer for normal healthy subjects,Personalized Medicine Universe,2186-4950,International Society of Personalized Medicine,2013-07-01,2,,16-19,https://cir.nii.ac.jp/crid/1871991017449410944,https://doi.org/10.1016/j.pmu.2013.04.002