Olmos RD. Wealth inequality and weak primary care in the city of São Paulo: ingredients for a dysfunctional and ineffective healthcare system. Sao Paulo Med J [Internet]. 2018 Feb. 1 [cited 2025 Mar. 10];136(1):94-5. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1445