TY  - JOUR
A1  - Olshansky, S. J.
A1  - Ault, B.
T1  - The fourth stage of the epidemiologic transition: The age of delayed degenerative diseases
Y1  - 1987
DO  - 10.1126/science.2237414
JF  - The Milbank Quarterly 
VL  - 64
SP  - 634
EP  - -639

ER  -