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) S. Nahar and A. Costello,"The Hidden Cost of 'Free' Maternity Care in Dhaka, Bangladesh",Health Policy and Planning,0268-1080,Oxford University Press (OUP),1998-01-01,13,4,417-422,https://cir.nii.ac.jp/crid/1360574094935638656,https://doi.org/10.1093/heapol/13.4.417