B. Itkin,S. Straminsky,H. Cáceres,M. Onassis,A. E. García,L. Avanzi,L. Kaminszczik,R. Serna Sejas,M. Rapaccioli,G. Billordo,D. Lavaccara,J. Lanzavecchia,L. Gibbons,E. Settecase and A. Bardach. 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. 2023;40(2):10.17843/rpmesp.2023.402.12519.