Oliveira, Luana Martins, João Paulo Calembo Batista Menezes, Mirian Ribeiro, Márcio Augusto Gonçalves, and Marcio Coutinho de Souza. “Analysis of Network Dynamics of Market Concentration in Healthcare Companies in Brazil”. Saúde e Sociedade 30, no. 3 (September 3, 2021). Accessed June 6, 2024. https://revistas.usp.br/sausoc/article/view/190347.