PT - JOURNAL ARTICLE AU - Robert Sallis TI - Developing healthcare systems to support exercise: exercise as the fifth vital sign AID - 10.1136/bjsm.2010.083469 DP - 2011 May 01 TA - British Journal of Sports Medicine PG - 473--474 VI - 45 IP - 6 4099 - http://bjsm.bmj.com/content/45/6/473.short 4100 - http://bjsm.bmj.com/content/45/6/473.full SO - Br J Sports Med2011 May 01; 45