Decrease of long distance event related gamma coherence in bipolar patients - Özerdem, Ayşegül; Güntekin, Bahar; Atagün, Murat İlhan; Turp, Bilge; Oral, Esat Timuçin; BAŞAR, EROL (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2010)