PT - JOURNAL ARTICLE ED - Stevens, David P TI - Quality lines AID - 10.1136/qshc.2009.035477 DP - 2009 Aug 01 TA - Quality and Safety in Health Care PG - i--i VI - 18 IP - 4 4099 - http://qualitysafety.bmj.com/content/18/4/i.short 4100 - http://qualitysafety.bmj.com/content/18/4/i.full SO - Qual Saf Health Care2009 Aug 01; 18