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) Alaa Abd-Alrazaq and Dari Alhuwail and Mowafa Househ and Mounir Hamdi and Zubair Shah,Top Concerns of Tweeters During the COVID-19 Pandemic: Infoveillance Study,Journal of Medical Internet Research,1438-8871,JMIR Publications Inc.,2020-04-21,22,4,e19016,https://cir.nii.ac.jp/crid/1360017287203858944,https://doi.org/10.2196/19016