Aikes, Solange, and Maria Lucia Frizon Rizzotto. “Health in the Border Area: What Documents of Mercosur and Unasur Reveal”. Saúde e Sociedade 29, no. 2 (October 9, 2020): e180196. Accessed June 1, 2024. https://revistas.usp.br/sausoc/article/view/175946.