PT - JOURNAL ARTICLE AU - David P Stevens TI - Quality Lines DP - 2006 Dec 01 TA - Quality and Safety in Health Care PG - 385--385 VI - 15 IP - 6 4099 - http://qualitysafety.bmj.com/content/15/6/385.short 4100 - http://qualitysafety.bmj.com/content/15/6/385.full SO - Qual Saf Health Care2006 Dec 01; 15