Validation and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Use in Puerto Rican Children
Article
Preston, Alan M, Palacios, Cristina, Rodriguez, Cindy A et al. (2011). Validation and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Use in Puerto Rican Children
. PUERTO RICO HEALTH SCIENCES JOURNAL, 30(2), 58-64.
Preston, Alan M, Palacios, Cristina, Rodriguez, Cindy A et al. (2011). Validation and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Use in Puerto Rican Children
. PUERTO RICO HEALTH SCIENCES JOURNAL, 30(2), 58-64.