TI - Evaluation of Cognitive Functions in Parkinson’s Patients without Dementia with Auditory Event Related Potential (P300) AU - Sarikaya, S. AU - Yoldas, T.K. AU - Yavasoglu, N.G. SO - Dusunen Adam Journal of Psychiatry and Neurological Sciences 2014;27:132-137. DO - 10.5350/DAJPN2014270205