ROLE OF OCULAR ISCHAEMIC SYNDROME IN ESTABLISHING INDICATIONS FOR REVASCULIZATION OF THE CAROTID BASIN IN STENOTIC LESIONS OF EXTRACRANIAL PORTIONS OF CAROTID ARTERIES Article Frolov M.A., Bagdasaryan A.G., Alkam Angiologiia i sosudistaia khirurgiia = Angiology and vascular surgery. Vol. 18. 2012. P. 115-120