Igor J. Koralnik, MD is a Multiple Sclerosis and Neuroimmunology physician at Northwestern Medicine in Chicago. For more information, please visit [ Ссылка ]
![](https://i.ytimg.com/vi/bKrBl2rPeNQ/maxresdefault.jpg)
Igor J. Koralnik, MD is a Multiple Sclerosis and Neuroimmunology physician at Northwestern Medicine in Chicago. For more information, please visit [ Ссылка ]