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) Barbara Yawn and David Mannino and Thomas Littlejohn and Gary Ruoff and Amanda Emmett and Ibrahim Raphiou and Glenn Crater,Prevalence of COPD among symptomatic patients in a primary care setting,Current Medical Research and Opinion,0300-7995,Informa Healthcare,2009-09-16,25,11,2671-2677,https://cir.nii.ac.jp/crid/1364233268380452992,https://doi.org/10.1185/03007990903241350