Slater, B., Philippi, S. T., Fisberg, R. M., & Latorre, M. R. D. O. (2003). Validation of a semi-quantitative adolescent food frequency questionnaire applied at a public school in Sao Paulo, Brazil. European Journal of Clinical Nutrition, 57(5), 629. https://doi.org/10.1038/sj.ejcn.1601588
Chicago Style (17th ed.) CitationSlater, B., S T. Philippi, R M. Fisberg, and M R D O. Latorre. "Validation of a Semi-quantitative Adolescent Food Frequency Questionnaire Applied at a Public School in Sao Paulo, Brazil." European Journal of Clinical Nutrition 57, no. 5 (2003): 629. https://doi.org/10.1038/sj.ejcn.1601588.
MLA (9th ed.) CitationSlater, B., et al. "Validation of a Semi-quantitative Adolescent Food Frequency Questionnaire Applied at a Public School in Sao Paulo, Brazil." European Journal of Clinical Nutrition, vol. 57, no. 5, 2003, p. 629, https://doi.org/10.1038/sj.ejcn.1601588.