EXCESSIVE PRICING AND THE FIGHT AGAINST COVID-19:: an analysis of Article 11 of Decree No. 40,939 of July 2, 2020 in light of the Brazilian Competition Defense System. RDC [Internet]. 2021 Jun. 17 [cited 2026 Nov. 14];9(1):8-28. Available from: https://revista.cade.gov.br/index.php/revistadedefesadaconcorrencia/article/view/906