1. Geerts WH, Pineo GF, Heit JA et al (2004) Prevention of venous thromboembolism: the seventh ACCP conference on antithrombotic and thrombolytic therapy. Chest 126:338S–400S
2. Joint Commission on Accreditation of Healthcare Organizations. National consensus standards for prevention and care of venous thromboembolism (VTE) (2007) http://www.jointcommission.org/PerformanceMeasurement/PerformanceMeasurement/VTE.htm . Accessed 6 Dec
3. Centers for Medicare and Medicaid Services, US Department of Health and Human Services (2008) Medicare program; hospital outpatient prospective payment system and CY 2007 payment rates; CY 2007 update to the ambulatory surgical center covered procedures list; Medicare administrative contractors; and reporting hospital quality data for FY 2008 inpatient prospective payment system annual payment update program–HCAHPS survey, SCIP, and mortality. Final rule with comment period and final rule. Fed Regist 2006 Nov 24; 71(226):67959–68401. http://www.cms.hhs.gov/quarterlyproviderupdates/downloads/cms1506fc.pdf . Accessed 18 Feb
4. Ageno W, Squizzato A, Ambrosini F et al (2002) Thrombosis prophylaxis in medical patients: a retrospective review of clinical practice patterns. Haematologica 87:746–750
5. Kahn SR, Panju A, Geerts W et al (2007) Multicenter evaluation of the use of venous thromboembolism prophylaxis in acutely ill medical patients in Canada. Thromb Res 119:145–155