@phdthesis{oai:toyama.repo.nii.ac.jp:00005025,
 author = {Koyama, Shinya},
 month = {Oct},
 note = {Article, 富山大学・富生命博乙第2号・小山新弥・2013/10/24},
 school = {富山大学},
 title = {Differences in clinical characteristics of head injuries to snowboarders by skill level},
 year = {2013}
}