Development and validation of a pictorial food frequency questionnaire for estimating vitamin A intake in poor, urban preschool age Guatemalan children

Krause, V.M.2007-11-131994-04-012007-11-131994http://hdl.handle.net/10625/15240Text1 digital file (76 p. : ill.)Application/pdfenFOOD CONSUMPTIONMATERNAL AND CHILD HEALTHVITAMINSPOVERTYGUATEMALAFOOD PROCESSINGHUMAN NUTRITIONECONOMIC IMPLICATIONSRESEARCH RESULTSDevelopment and validation of a pictorial food frequency questionnaire for estimating vitamin A intake in poor, urban preschool age Guatemalan childrenThesis