PT - JOURNAL ARTICLE ED - HighWire Press TI - Pang MYC, et al. “Balance Performance in Head-Shake Computerized Dynamic Posturography: Aging Effects and Test-Retest Reliability.” <em>Phys Ther</em>. 2011;91:246–253. AID - 10.demo/ptj.20100221.cx DP - 2011 Apr 01 TA - Demo Journal of Physical Therapy PG - 598--598 VI - 91 IP - 4 4099 - http://demo.highwire.org/content/91/4/598.short 4100 - http://demo.highwire.org/content/91/4/598.full