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) Chun-Han Lo and Leonard Chiu and Anna Qian and Muhammad Zarrar Khan and Hassan A. Alhassan and Axel J. Duval and Andrew T. Chan,Association of Primary Care Physicians Per Capita With COVID-19 Vaccination Rates Among US Counties,JAMA Network Open,2574-3805,American Medical Association (AMA),2022-02-10,5,2,e2147920,https://cir.nii.ac.jp/crid/1360861711974610176,https://doi.org/10.1001/jamanetworkopen.2021.47920