[1]
W. B. Freire, W. F. Waters, and G. Rivas-Mariño, “Nutritional traffic light system for processed foods: qualitative study of awareness, understanding, attitudes, and practices in Ecuador”, Rev Peru Med Exp Salud Publica, vol. 34, no. 1, pp. 11–8, Mar. 2017, doi: 10.17843/rpmesp.2017.341.2762.