PT - JOURNAL ARTICLE ED - , TI - Review: brief primary care interventions are moderately effective for increasing physical activity AID - 10.1136/ebm.5.6.173 DP - 2000 Nov 01 TA - Evidence Based Medicine PG - 173--173 VI - 5 IP - 6 4099 - http://ebm.bmj.com/content/5/6/173.short 4100 - http://ebm.bmj.com/content/5/6/173.full SO - Evid Based Med2000 Nov 01; 5