TY  - JOUR
A1  - Schwartz, J.
A1  - Dockery, D.W.
T1  - Increased mortality in Philadelphia associated with daily air pollution concentrations
Y1  - 1992
DO  - 10.1164/ajrccm/145.3.600
JF  - American Review of Respiratory Disease 
VL  - 145
IS  - 3

ER  -