The Effectiveness of Group Cognitive Behavioral Therapy on Depression and Anxiety symptoms in Parkinson's Patients Journal title: ReligaciĆ³n. Revista de Ciencias Sociales y Humanidades Authors: Parvin Dabiryan , Farzaneh Esmaeilzadeh Fasaei, Parto Hatamian , Ali Rezaei Sharif , Zahra Seifi... Subject(s):