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) GUNAWARDENA D,Why are patients with progressive nonfluent aphasia nonfluent?,Neurology,,,2010,75,,588-594,https://cir.nii.ac.jp/crid/1574231874772661888,