Osteonecrosis of the Jaw (ONJ) in Osteoporosis Patients: Report of Delayed Diagnosis of a Multisite Case and Commentary about Risks Coming from a Restricted ONJ Definition oleh Mario Migliario, Giovanni Mergoni, Paolo Vescovi, Iolanda De Martino, Manuela Alessio, Luca Benzi, Filippo Renò, Vittorio Fusco