TY  - JOUR 
T1  - Facebook recruitment of smokers: comparing gain- and loss-framed ads for the purposes of an Internet-based smoking cessation intervention
JO  - Cadernos de Saúde Pública
A1  - Machado, Nathália Munck
A1  - Gomide, Henrique Pinto
A1  - Bernardino, Heder Soares
A1  - Ronzani, Telmo Mota
SN  - 0102-311X
UL  - 10.1590/0102-311X00151318
VL  - 35 
Y1  - 2019
PB  - Brasil 
ER  -