Aliakbari Dehkurdi, M., Alipour, A., Zareh, H., Shahidi, G., Barghi Irani, Z. (2013). 'The Effectiveness of Cognitive- Behavioral Therapy with Old People (CBTO) on General Health Parameters in Patients who Suffered from Parkinson Disease', Journal of Modern Psychological Researches, 8(30), pp. 97-122.