TY  - JOUR 
T1  - Willingness to pay... What???
JO  - Sao Paulo Medical Journal
A1  - Mariani, Alessandro Wasum
A1  - Pêgo-Fernandes, Paulo Manuel
SN  - 1516-3180
UL  - 10.1590/1516-3180.2014.0000131
VL  - 132 
Y1  - 2014
PB  - Brasil 
ER  -