TY  - JOUR
A1  - Colman, G.J.
A1  - Joyce, T. 
T1  - Trends in smoking before, during, and after pregnancy in ten states
Y1  - 2003
DO  - 10.1016/S0749-3797(02)00574-3
JF  - American Journal of Preventive Medicine 
VL  - 24
IS  - 1

ER  -