Aging characteristics of plantar pressure indicator of old people in walking  
Huo Hong-feng1, Feng Xia2, Liang Yu1, Zhao Huan-bin1, Hao Jin-feng3
Chinese Journal of Tissue Engineering Research . 2012, (2): 307 -310 .  DOI: 10.3969/j.issn.1673-8225.2012.02.027