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) Amaryllis Mavragani and Gabriela Ochoa and Konstantinos P Tsagarakis,"Assessing the Methods, Tools, and Statistical Approaches in Google Trends Research: Systematic Review",Journal of Medical Internet Research,1438-8871,JMIR Publications Inc.,2018-11-06,20,11,e270,https://cir.nii.ac.jp/crid/1360294646738149248,https://doi.org/10.2196/jmir.9366