@article{oai:repo.qst.go.jp:00046015,
 author = {Shimoyama, Ichiro and Shimada, Hitoshi and et.al and 島田 斉},
 issue = {1},
 journal = {IMJ : International Medical Journal},
 month = {Mar},
 pages = {44--46},
 title = {Postural balance on standing upright and knees flexion-extension for aging},
 volume = {18},
 year = {2011}
}