JIANG, Yu’Rong et al. Predictive value of pretreatment peripheral blood N/CD4 and N/CD8 ratios for the efficacy of radiotherapy for esophageal cancer. Radiology and Oncology, [S. l.], v. 59, n. 2, p. 257–266, 2025. Disponível em: https://radioloncol.com/index.php/ro/article/view/4483. Acesso em: 10 jun. 2026.