1. Newman AB, Gottdiener JS, McBernie MA, Hirsch CH, Kop WJ, Tracy RP, Walston JD, Fried LP (2001) Associations of subclinical cardiovascular disease with frailty. J Gerontol 56A(3):M158–M166
2. Walston JD, McBernie MA, Newman AB, Tracy RP, Kop WJ, Hirsch CH, Gottdiener JS, Fried LP (2002) Frailty and activation of the inflammation and coagulation systems with and without co-morbidities. Arch Intern Med 162:2333–2341
3. Kenny AM, Waynik IV, Smith J, Fortinsky R, Kleppinger A, McGee D. Association between osteoporosis and frailty in older community dwelling men. (Unpublished work)
4. Hunt SA, Baker DW, Chin MH, et al.; American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee to Revise the 1995 Guidelines for the Evaluation and Management of Heart Failure); International Society for Heart and Lung Transplantation; Heart Failure Society of America (2001) ACC/AHA guidelines for the evaluation and management of chronic heart failure in the adult: executive summary. Circulation 104(24):2996–3007
5. Lloyd-Jones DM, Larson MG, Leip EP, Beiser A, D’Agostino RB, Kannel WB et al (2002) Lifetime risk for developing congestive heart failure: the Framingham Heart Study. Circulation 106(24):3068–3072