Olmos, Rodrigo Diaz. “Wealth Inequality and Weak Primary Care in the City of São Paulo: Ingredients for a Dysfunctional and Ineffective Healthcare System”. São Paulo Medical Journal 136, no. 1 (February 1, 2018): 94–95. Accessed March 10, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/1445.