TY  - JOUR 
T1  - Validity and reproducibility of a food frequency questionnaire to assess food group intake in adolescents
JO  - Cadernos de Saúde Pública
A1  - Martinez, Marcelle Flores
A1  - Philippi, Sonia Tucunduva
A1  - Estima, Camilla
A1  - Leal, Greisse
SN  - 0102-311X
UL  - 10.1590/0102-311X00055512
VL  - 29 
Y1  - 2013
PB  - Brasil 
ER  -