PT - JOURNAL ARTICLE ED - , TI - A lifestyle intervention or metformin prevented or delayed the onset of type 2 diabetes in people at risk AID - 10.1136/ebn.5.4.109 DP - 2002 Oct 01 TA - Evidence Based Nursing PG - 109--109 VI - 5 IP - 4 4099 - http://ebn.bmj.com/content/5/4/109.short 4100 - http://ebn.bmj.com/content/5/4/109.full SO - Evid Based Nurs2002 Oct 01; 5