TY  - RPRT
A1  - Engelman, M.
A1  - Canudas-Romo, V.
A1  - Agree, E.M.
T1  - Frailty in transition: Vulnerability and variation in aging populations
Y1  - 2013
PB  - Madison, Wisconsin: Center for Demography and Ecology
IS  - CDE Working Paper No. 2013-10

ER  -