TY  - JOUR
A1  - Beckett , L.
A1  - Brock, D.
A1  - Lemke, J.H.
A1  - Mendes de Leon, C.F.
A1  - Guralnik, J.M.
A1  - Fillenbaum, G.G.
A1  - Branch, L.G.
A1  - Wetle, T.T.
A1  - Evans, D.A.
T1  - Analysis of change in self-reported physical function among older persons in four population studies
Y1  - 1996
JF  - American Journal of Epidemiology
VL  - 143
IS  - 8
SP  - 766
EP  - -778

ER  -