PT - JOURNAL ARTICLE ED - , TI - Kersten RF, Stevens M, van Raay JJAM, et al. Habitual physical activity after total knee replacement: analysis in 830 patients and comparison with a sex- and age-matched normative population. <em>Phys Ther</em>. doi: 10.demo/ptj.20110273. AID - 10.demo/ptj.20110273.cx DP - 2012 Aug 01 TA - Demo Journal of Physical Therapy PG - 1079--1079 VI - 92 IP - 8 4099 - http://demo.highwire.org/content/92/8/1079.1.short 4100 - http://demo.highwire.org/content/92/8/1079.1.full