1. Prognosis of Limitations in Activities in Osteoarthritis of the Hip or Knee: A 3-Year Cohort Study 
Gabriella M. van Dijk, PT, PhD, Cindy Veenhof, PT, PhD, Peter Spreeuwenberg, MA, Napoleon Coene, MD, PhD, Bart J. Burger, MD, PhD, Dirkjan van Schaardenburg, MD, PhD, Cornelia H. van den Ende, PT, PhD, Guus J. Lankhorst, PhD, Joost Dekker, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 91, Issue 1, Pages (January 2010)
DOI: /j.apmr
Copyright © 2010 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1 Flow chart of inclusion and follow-up.
Archives of Physical Medicine and Rehabilitation  , 58-66DOI: ( /j.apmr )
Copyright © 2010 American Congress of Rehabilitation Medicine Terms and Conditions