1. US Department of Health and Human Services. Surgeon general’s call to action to prevent deep vein thrombosis and pulmonary embolism 2008. Available at: http://www.ncbi.nlm.nih.gov/books/NBK44178/ .
2. Maynard G, Stein J. Preventing hospital-acquired venous thromboembolism: a guide for effective quality improvement. Prepared by the Society of Hospital Medicine. AHRQ publication no. 08-0075. Agency for Healthcare Research and Quality: Rockville, MD; 2008.
3. Shekelle PG, Pronovost PJ, Wachter RM, et al. The top patient safety strategies that can be encouraged for adoption now. Ann Intern Med. 2013;158:365–8.
4. Haut ER, Lau BD. Chapter 28: prevention of venous thromboembolism: brief update review. In: Making health care safer II: an updated critical analysis of the evidence for patient safety practices, vol. 211. Rockville, MD: Agency for Healthcare Research and Quality; 2013. p. C-62.
5. Shojania KG, Duncan BW, McDonald KM, Wachter RM, Markowitz AJ. Making health care safer: a critical analysis of patient safety practices. Evid Rep Technol Assess (Summ). 2001;i-x:1–668.