1.
Hollinghurst J, Akbari A, Rodgers S, Clegg A. Further Development and Validation of the electronic Frailty Index using the Secure Anonymised Information Linkage Databank. IJPDS [Internet]. 2018 Aug. 30 [cited 2026 Oct. 24];3(4). Available from: https://ijpds.org/index.php/ijpds/article/view/786