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) Naoko Kawata and Jun Ikari and Koichiro Tatsumi and Ayako Shimada and Eiko Suzuki and Masaki Suzuki and Rie Anazawa,Prognostic nutritional index (PNI): A predictive factor for elderly patients with COPD,Clinical problems,,European Respiratory Society (ERS),2020-09-07,,,5114,https://cir.nii.ac.jp/crid/1873961342254880896,https://doi.org/10.1183/13993003.congress-2020.5114