Authors
R. Kuzmanova
University Hospital of Neurology and Psychiatry “Sv. Naum”, Sofia, Bulgaria
Medical University, Sofia
I. Stefanova
University Hospital of Neurology and Psychiatry “Sv. Naum”, Sofia, Bulgaria
© 2017 R. Kuzmanova, I. Stefanova, published by Sofia Medical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.