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Original Research
Published 8 October 2026
Baseline serum 25 hydroxyvitamin D concentration does not predict functional recovery in intensive inpatient rehabilitation: a retrospective observational study
Federica Bellone · Angelo Alito · Laura Turriziani · Giuseppe Spadaro · Simone Crescimone · Antonino Catalano · Eliana Cipolla · Fabio Malacarne · Giovanni Squadrito · Giorgio Basile
Frontiers in Nutrition
doi 10.3389/fnut.2026.1966784