Institution: | 1. Department of Internal Diseases with Clinic for Horses, Dogs and Cats, Faculty of Veterinary Medicine, Wroc?aw University of Environmental and Life Sciences, , Wroc?aw, Poland;2. and Departments of Hygiene, Wroclaw Medical University, , Wroclaw, Poland;3. Neurology, Wroclaw Medical University, , Wroclaw, Poland |