Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BLOKHUIS TJ,Is radiation superior to indomethacin to prevent Heterotopic ossification in acetabular fractures? A systematic review,Clin Orthop,,,2009,467,,526-530,https://cir.nii.ac.jp/crid/1573387449847327744,