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) APPLEYARD K,When more is not better. the role of cumulative risk in child behavior outcomes,J child Psychiatry,,,2005,46,3,235-245,https://cir.nii.ac.jp/crid/1570009751091802752,