Role of cancer ratio and other new parameters in the differential diagnosis of malignant pleural effusion. Clinics, [S. l.], v. 76, p. e2515, 2021. DOI: 10.6061/clinics/2021/e2515. Disponível em: https://revistas.usp.br/clinics/article/view/191827.. Acesso em: 31 may. 2024.