Fried’s Frailty Phenotype; Journal of Gerontology. 2001."Frailty in Older Adults: Evidence for a Phenotype". Journal of Gerontology:
MEDICAL SCIENCES Copyright 2001 by The Gerontological Society of America
2001, Vol. 56A, No. 3, M146–M156.
Clinical Frailty Scale; Dalhousie University, 2009Geriatric Medicine. Research, Dalhousie University, Halifax, Canada. Permission granted to copy for research and educational purposes only. Copyright, 2007-2009.
ECOG Performance StatusPublished in Am. J. Clin. Oncol.: Oken, M.M., Creech, R.H., Tormey, D.C., Horton, J., Davis, T.E., McFadden, E.T., Carbone, P.P.: Toxicity And Response Criteria Of The Eastern Cooperative Oncology Group. Am J Clin Oncol 5:649-655, 1982. Internet Access.