SANTORIO, Nathalia Conci et al. Cardiology referral during the COVID-19 pandemic. Clinics, São Paulo, Brasil, v. 76, p. e3538, 2021. DOI: 10.6061/clinics/2021/e3538. Disponível em: https://periodicos.usp.br/clinics/article/view/212783.. Acesso em: 28 apr. 2025.