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) POURANG H,Twin fetus in fetu with immature teratoma : a case report and review of the literature,Arch Iran Med,,,2009,12,,507-510,https://cir.nii.ac.jp/crid/1574231874747087360,