TY  - JOUR
A1  - Crimmins, E.M.
A1  - Saito, Y.
T1  - Getting better and getting worse
Y1  - 1993
DO  - 10.1177/089826439300500101
JF  - Journal of Aging and Health
VL  - 5
IS  - 1
SP  - 3
EP  - -36

ER  -