Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Asai Reo and Tatsumura Masaki and Ogawa Takeshi and Mammoto Takeo and Hirano Atsushi and Yamazaki Masashi,Epidemiological Gender Differences in Lumbar Spondylolysis Cases of High School Age or Younger,Japanese Journal of Orthopaedic Sports Medicine,1340-8577,Japanese Orthopaedic Socety for Sports Medicine,2021,41,1,55-60,https://cir.nii.ac.jp/crid/1390569070680988800,https://doi.org/10.34473/jossm.41.1_55