T. Y. Assão, A. de A. Cordeiro, C. Costa, and A. M. Cervato, “ Food security practices and perceptions among representatives of institutions of a reference center located in the Butantã region, city of São Paulo ”, Saúde Soc., vol. 16, no. 1, pp. 102–116, Apr. 2007, doi: 10.1590/S0104-12902007000100010.