TY  - JOUR 
T1  - Possibilities and challenges for physical and social environment research in Brazil: a systematic literature review on health behaviors
JO  - Cadernos de Saúde Pública
A1  - Belon, Ana Paula
A1  - Nykiforuk, Candace
SN  - 0102-311X
UL  - 10.1590/0102-311X00044513
VL  - 29 
Y1  - 2013
PB  - Brasil 
ER  -