Endoscopy infection control strategy during the COVID19 pandemic: experience from a tertiary cancer center in Brazil. Clinics, [S. l.], v. 76, p. e2280, 2021. DOI: 10.6061/clinics/2021/e2280. Disponível em: https://revistas.usp.br/clinics/article/view/192062.. Acesso em: 1 jun. 2024.