1Moores L, Bilello KL, Murin S. Sex and gender issues and venous thromboembohsm[J]. Clin Chest Med, 2004,25:281-297.
2Silverstein MD, Heit JA, Mohr DN, et al. Trends in the incidence of deep vein thrombosis and pulmonary embolism: a 25-year populationbased study[]]. Arch Intern Med, 1998, 158: 585-593.
3Righini M, Le Gal G, Perrier A, et al. The challenge of diagnosing pulmonary embolism in elderly patients : influence of age on commonly used diagnostic tests and strategies[J]. J Am Geriatr Soc, 2005, 53:1039-1045.
4American Geriatrics Society Clinical Practice Committee. The use of oral anticoagulants (warfarin) in older people. American Geriatrics Society guideline[J]. J Am Geriatr Soc, 2002, 50:1439-1345.
5Stein PD, Hull RD, Kayali F, et al. Venous thromboembolism according to age; impact of an aging population[J]. Arch Intern Mad,2004,164: 2260-2265.
6Heir JA.The epidemiology of venous thromboembolism in the community: implications for prevention and management [ J]. J Thromb Thrombolysis, 2006,21 : 23-29.
