Comment on

• Venous thromboembolism prophylaxis in hospitalized medical patients and those with stroke: a background review for an American College of Physicians Clinical Practice Guideline.

  Lederle FA, Zylla D, MacDonald R, Wilt TJ. Lederle FA, et al. Ann Intern Med. 2011 Nov 1;155(9):602-15. doi: 10.7326/0003-4819-155-9-201111010-00008. Ann Intern Med. 2011. PMID: 22041949 Review.
• Venous thromboembolism prophylaxis in hospitalized patients: a clinical practice guideline from the American College of Physicians.

  Qaseem A, Chou R, Humphrey LL, Starkey M, Shekelle P; Clinical Guidelines Committee of the American College of Physicians. Qaseem A, et al. Ann Intern Med. 2011 Nov 1;155(9):625-32. doi: 10.7326/0003-4819-155-9-201111010-00011. Ann Intern Med. 2011. PMID: 22041951