1. Test-Retest Reliability of the 6-Minute Walk Test in Individuals With Down Syndrome 
Amanda F. Casey, PhD, Xu Wang, PhD, Kristin Osterling, BSc 
Archives of Physical Medicine and Rehabilitation 
Volume 93, Issue 11, Pages (November 2012)
DOI: /j.apmr
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1 Mean distance walked by participants with DS across all 4 tests.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
Bland-Altman plot showing differences in mean 6MWD between t1/t2 and t3.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions