TY  - JOUR 
T1  - Validation of a food frequency questionnaire to assess the consumption of carotenoids, fruits and vegetables among adolescents: the method of triads
JO  - Cadernos de Saúde Pública
A1  - Slater, Betzabeth
A1  - Enes, Carla Cristina
A1  - López, Rossana Verónica Mendoza
A1  - Damasceno, Nágila Raquel Teixeira
A1  - Voci, Silvia Maria
SN  - 0102-311X
UL  - 10.1590/S0102-311X2010001100010
VL  - 26 
Y1  - 2010
PB  - Brasil 
ER  -