Author/Authors :
pesce, antonio university of catania - “g.f. ingrassia” policlinico-vittorio emanuele hospital - department of medical and surgical sciences and advanced technologies, unit of general surgery, Catania, Italy , puleo, stefano university of catania - “g.f. ingrassia” policlinico-vittorio emanuele hospital - department of medical and surgical sciences and advanced technologies, unit of general surgery, Catania, Italy
