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) STEVEN M,Heterotopic ossification of the shoulder following head injury : a case report,Clin Orthop,,,1986,212,,231-236,https://cir.nii.ac.jp/crid/1570572700225893632,https://doi.org/10.1097/00003086-198611000-00024