Barbiani, Rosangela, José Roque Junges, Carlise Rigon Dalla Nora, and Fabiane Asquidamini. 2014. “ The Scientific Literature on Access Within the Brazilian National Health System in Brazil: Advances, Limitations, and Challenges ”. Saúde E Sociedade 23 (3): 855-68. https://doi.org/10.1590/S0104-12902014000300010.