Vieira, I. R. de F., Brandão, T., Pinto, E., & Silva, M. (2020). Genetically modified foods: construction and validation of a questionnaire to ascertain the knowledge, opinion and training of physicians and nutritionists. DEMETRA: Alimentación, Nutrición & Salud, 15, e42178. https://doi.org/10.12957/demetra.2020.42178