Outcome instruments to measure frailty: a systematic review
de Vries, N.M.; Staal, J.B.; van Ravensburg, C.D.; Hobbelen, J.S.M. (Ageing And Allied Health Care); Olde Rikkert, M.G.M.; Nijhuis-van der Sande, M.W.G.
Frailty: defining and measuring of a concept
R.E. Pel-Littel; M.H. Emmelot-Vonk; H.J.J. Verhaar; Prof. Dr. M.J. Schuurmans (Lector)




























