TY  - JOUR
A1  - Diehr, P.
A1  - Derleth, A.
A1  - Newman, A.B.
A1  - Cai, L. 
T1  - The number of sick persons in a cohort
Y1  - 2007a
DO  - 10.1177/0164027507305727
JF  - Research on Aging
VL  - 29
IS  - 6

ER  -