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) Nagisa Sugaya and Tetsuya Yamamoto and Naho Suzuki and Chigusa Uchiumi,Social isolation and its psychosocial factors in mild lockdown for the COVID-19 pandemic: a cross-sectional survey of the Japanese population,BMJ Open,2044-6055,BMJ,2021-07,11,7,e048380,https://cir.nii.ac.jp/crid/1360013168769229312,https://doi.org/10.1136/bmjopen-2020-048380