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 Al Amiry and Brian J Maguire,Emergency Medical Services (EMS) Calls During COVID-19: Early Lessons Learned for Systems Planning (A Narrative Review),Open Access Emergency Medicine,1179-1500,Informa UK Limited,2021-09,Volume 13,,407-414,https://cir.nii.ac.jp/crid/1360861295479654016,https://doi.org/10.2147/oaem.s324568