ITKIN, Boris et al. Comparison of mortality in patients on chemotherapy or immunotherapy during and before the COVID-19 pandemic. Multicenter matched cohort study in Argentina. Revista Peruana de Medicina Experimental y Salud Pública, [S. l.], v. 40, n. 2, p. 161–9, 2023. DOI: 10.17843/rpmesp.2023.402.12519. Disponível em: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/12519.. Acesso em: 13 may. 2024.