The impact of the ultrasonic, bipolar and integrated energy devices in the adrenal gland surgery: literature review and our experience oleh Renato Patrone, Claudio Gambardella, Roberto Maria Romano, Clarizia Gugliemo, Chiara Offi, Claudia Andretta, Antonio Vitiello, Ernesto Tartaglia, Luigi Flagiello, Alessandra Conzo, Claudio Mauriello, Giovanni Conzo