TY  - JOUR
A1  - Trinidad, D.R.
A1  - Pérez-Stable, E.J.
A1  - Emery, S.L.
A1  - White, M.M.
A1  - Grana, R.A.
A1  - Messer, K.S. 
T1  - Intermittent and light daily smoking across racial/ethnic groups in the United States
Y1  - 2009
DO  - 10.1093/ntr/ntn018
JF  - Nicotine and Tobacco Research 
VL  - 11
IS  - 2

ER  -