TY  - JOUR 
T1  - Understanding the relationship between socioeconomic status, smoking cessation services provided by the health system and smoking cessation behavior in Brazil
JO  - Cadernos de Saúde Pública
A1  - Szklo, André Salem
A1  - Thrasher, James F.
A1  - Perez, Cristina
A1  - Figueiredo, Valeska Carvalho
A1  - Fong, Geoffrey
A1  - Almeida, Liz Maria de
SN  - 0102-311X
UL  - 10.1590/S0102-311X2013000300007
VL  - 29 
Y1  - 2013
PB  - Brasil 
ER  -