著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Nancy C. Andreasen,The Scale for the Assessment of Negative Symptoms (SANS): Conceptual and Theoretical Foundations,British Journal of Psychiatry,0007-1250,Royal College of Psychiatrists,1989-11,155,S7,49-52,https://cir.nii.ac.jp/crid/1360574096089180800,https://doi.org/10.1192/s0007125000291496