@phdthesis{oai:hirosaki.repo.nii.ac.jp:00006876,
 author = {土屋, 純一郎},
 month = {2022-07-15, 2022-07-15, 2022-07-15},
 note = {掲載誌：弘前医学, 72:34-42, 2022},
 school = {弘前大学},
 title = {Epidemiological investigation of the factors affecting the COVID-19 case fatality rate},
 year = {}
}