Health-related quality of life in older adults at risk for disability.
Groessl EJ, Kaplan RM, Rejeski WJ, Katula JA, King AC, Frierson G, Glynn NW, Hsu FC, Walkup M, Pahor M. Health-related quality of life in older adults at risk for disability. Am J Prev Med. 2007 Sep; 33(3):214-8.