Veiga CRP da, Veiga CP da, Su Z. Supplementary Health System in Brazil: Business Model Not Threatened by Socioeconomic Crisis. J. Professional Business Review [Internet]. 2023 Jan. 9 [cited 2024 Apr. 25];8(1):e01225. Available from: https://www.openaccessojs.com/JBReview/article/view/1225