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) Osawa T,Bifid ribs observed in the third and the fourth ribs,Kaibogaku Zasshi,,,1998,73,,633,https://cir.nii.ac.jp/crid/1370565168176356611,