Gagliardi C, Corsonello A, Di Rosa M, Fabbietti P, Cherubini A, Mercante O, Mazzei B, Postacchini D, Deales A, Bustacchini S et al..  2018.  Preadmission Functional Decline Predicts Functional Improvement Among Older Patients Admitted to Acute Care Hospital. The journals of gerontology. Series A, Biological sciences and medical sciences. 73(10):1363-1369.