Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Niikura, Takahiro and Oe, Keisuke and Sakai, Yoshitada and Iwakura, Takashi and Fukui, Tomoaki and Nishimoto, Hanako and Hayashi, Shinya and Matsumoto, Tomoyuki and Matsushita, Takehiko and Maruo, Akihiro and Yagata, Yukihisa and Kishimoto, Kenta and Sakurai, Atsushi and Kuroda, Ryosuke",Insufficiency and deficiency of vitamin D in elderly patients with fragility fractures of the hip in the Japanese population,Journal of Orthopaedic Surgery,1022-5536,SAGE Publications,2019-09,27,3,1-6,https://cir.nii.ac.jp/crid/1050294045369547904,https://doi.org/10.1177/2309499019877517