Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shichita Keiko and Endo Chieko and Shibazaki Kimiko and Karube Shunji and Oda Hiromi and Igarashi Mituo and Hayashi Yasufumi,Survival rate and physical activity in elderly patients after femoral neck fracture.,Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics,03009173,The Japan Geriatrics Society,1988,25,6,563-568,https://cir.nii.ac.jp/crid/1390001205024124800,https://doi.org/10.3143/geriatrics.25.563