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) C Raina MacIntyre and Holly Seale and Tham Chi Dung and Nguyen Tran Hien and Phan Thi Nga and Abrar Ahmad Chughtai and Bayzidur Rahman and Dominic E Dwyer and Quanyi Wang,A cluster randomised trial of cloth masks compared with medical masks in healthcare workers,BMJ Open,2044-6055,BMJ,2015-04,5,4,e006577,https://cir.nii.ac.jp/crid/1360292618991949824,https://doi.org/10.1136/bmjopen-2014-006577