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) Bright Opoku Ahinkorah and Edward Kwabena Ameyaw and Abdul-Aziz Seidu,Socio-economic and demographic predictors of unmet need for contraception among young women in sub-Saharan Africa: evidence from cross-sectional surveys,Reproductive Health,1742-4755,Springer Science and Business Media LLC,2020-10-23,17,1,163,https://cir.nii.ac.jp/crid/1360298761860876928,https://doi.org/10.1186/s12978-020-01018-2