著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Khan,Myasthenia gravis presenting as dysphagia: clinical considerations,Am J Gastroenterol,,,1994,89,,1083,https://cir.nii.ac.jp/crid/1374228028895669249,