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) Bhaskar Thakur and Pallavi Dubey and Joseph Benitez and Joshua P. Torres and Sireesha Reddy and Navkiran Shokar and Koko Aung and Debabrata Mukherjee and Alok Kumar Dwivedi,A systematic review and meta-analysis of geographic differences in comorbidities and associated severity and mortality among individuals with COVID-19,Scientific Reports,2045-2322,Springer Science and Business Media LLC,2021-04-20,11,1,8562,https://cir.nii.ac.jp/crid/1360294645319529344,https://doi.org/10.1038/s41598-021-88130-w