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) Mitsuru Yagi and King B Akilah and Oheneba Boachie-Adjei,"Incidence, Risk Factors and Classification of Proximal Junctional Kyphosis",Spine,0362-2436,Ovid Technologies (Wolters Kluwer Health),2011-01,36,1,E60-E68,https://cir.nii.ac.jp/crid/1360574093539661440,https://doi.org/10.1097/brs.0b013e3181eeaee2