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) LUDLOW A,A case of obstructed deglution from a prenatural bag formed in the pharynx,Med Obs Inquiries,,,1769,3,,85-101,https://cir.nii.ac.jp/crid/1572543024813430912,