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) LANEY AS,Zonal distribution of small opacities on chest radiographs of United States coal miners,Occup Environ Med,,,2011,,,,https://cir.nii.ac.jp/crid/1570291225076837760,