ALVES, Jefferson; MACIEL, Vladimir Fernandes. Regional Market Concentration and Its Impact on Health Plan Quality in Brazil: Insights for Regulatory Policy. Archives of Business Research, [S. l.], v. 12, n. 12, p. 99–111, 2024. DOI: 10.14738/abr.1212.18080. Disponível em: https://scholarpublishing.org/journals/index.php/ABR/article/view/1947. Acesso em: 31 may. 2026.