LAWTON, M. P. A multidimentional view of quality of life in frail elders. The concept and measurement of quality of life in the frail elderly. 1991, 3-29
FUHRER, M. J. Subjective well-being:Implications for medical rehabilitation outcomes and models of disablement. Am J Phys Med Rehabil. 1994, 73, 358-364
DE HAAN, R. Measuring quality of life in stroke. Stroke. 1993, 24, 320-327