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) E. Yeung and P. Hopkins and G. Auzinger and K. Fan,Challenges of tracheostomy in COVID-19 patients in a tertiary centre in inner city London,International Journal of Oral and Maxillofacial Surgery,0901-5027,Elsevier BV,2020-11,49,11,1385-1391,https://cir.nii.ac.jp/crid/1360292618788168832,https://doi.org/10.1016/j.ijom.2020.08.007