Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Seo-Eun Cho and Kyoung-Sae Na and Seong-Jin Cho and Seung Gul Kang,Low d-serine levels in schizophrenia: A systematic review and meta-analysis,Neuroscience Letters,0304-3940,Elsevier BV,2016-11,634,,42-51,https://cir.nii.ac.jp/crid/1360292621323333888,https://doi.org/10.1016/j.neulet.2016.10.006