1.
Lima SML, Portela MC, Ugá MAD, Barbosa PR, Gerschman S, Vasconcellos MM. Philanthropic hospitals and the operation of provider-owned health plans in Brazil . Rev. saúde pública [Internet]. 2007 Feb. 1 [cited 2024 May 19];41(1):116-23. Available from: https://www.revistas.usp.br/rsp/article/view/32201