Bova, Raffaele, Giulia Griggio, Carlo Vallicelli, Luca Ansaloni, Massimo Sartelli, Federico Coccolini, Francesca Bravi, Vanni Agnoletti, and Fausto Catena. 2025. “APEROLD Study: Acute Peritonitis in the Oldest Nonagenarian Patients With Acute Abdomen. Which Is the Fate?”. Surgery in Geriatrics and Frailty 1 (1). https://doi.org/10.4081/sigaf.2025.13.