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Nutrición Hospitalaria
On-line version ISSN 1699-5198Print version ISSN 0212-1611

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ZAZPE, Itziar et al. Validity and reproducibility of a semi-quantitative food frequency questionnaire in Spanish preschoolers — The SENDO project. Nutr. Hosp. [online]. 2020, vol.37, n.4, pp.672-684.  Epub Dec 14, 2020. ISSN 1699-5198.