Hospital survey on patient safety culture: 2009 comparative database report. Sorra J, Famloaro T, Dyer N, Nelson D, Khanna K. Rockville, MD: Agency for Healthcare Research and Quality; 2009. AHRQ Publication No. 09-0030. [report - free full text].
National healthcare quality report 2008. Rockville, MD: Agency for Healthcare Research and Quality; 2009. AHRQ Publication No. 09-0001. [report - free full text].
To err is human — to delay is deadly. Jewell K, McGiffert L. Austin, TX: Consumers Union; 2009 [book - free full text].
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