Pubmed ID: 22003158Stellar Article: 2Abstract: Date published: Thu, 12/01/2011Journal: Physical therapyJournal: Physical therapyAuthor: VanSwearingen JMPerera SBrach JSWert DStudenski SAJournal: Physical therapySource: Phys Ther. 2011 Dec;91(12):1740-51. Epub 2011 Oct 14.