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) "NOHARA, Michiko and YOSHIKAWA, Toru and NAKAJIMA, Norihiro and OKUTSU, Kosuke",Hospital physicians perform five types of work duties in Japan: An observational study,BMC Health Services Research,14726963,BioMed Central,2014-09-06,14,,375,https://cir.nii.ac.jp/crid/1050001336276009472,https://doi.org/10.1186/1472-6963-14-375