TY  - JOUR
A1  - Wilmoth, J.
A1  - Vallin, J.
A1  - Caselli, G.
T1  - When Does a Cohort's Mortality Differ from What we Might Expect? 
Y1  - 1990
JF  - Population: An English Selection
VL  - 2
SP  - 93
EP  - -126

ER  -