Frailty assessment has come to stay: Retrospective analysis pilot study of two frailty scales in oncological older patients undergoing colorectal surgery

1. García-Pérez, E.
2. Aguirre-Larracoechea, U.
3. Portugal-Porras, V.
4. Azpiazu-Landa, N.
5. Telletxea-Benguria, S.