Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Han Jo Kim and Sravisht Iyer,Proximal Junctional Kyphosis,Journal of the American Academy of Orthopaedic Surgeons,1067-151X,Ovid Technologies (Wolters Kluwer Health),2016-05,24,5,318-326,https://cir.nii.ac.jp/crid/1362825895695993344,https://doi.org/10.5435/jaaos-d-14-00393