Recalibration and External Validation of the Risk Analysis Index A Surgical Frailty Assessment Tool ANNALS OF SURGERY Arya, S., Varley, P., Youk, A., Borrebach, J. D., Perez, S., Massarweh, N. N., Johanning, J. M., Hall, D. E. 2020; 272 (6): 996–1005

View details for DOI 10.1097/SLA.0000000000003276

View details for Web of Science ID 000613410600038