TY JOUR TI NATURAL RADON FOR PREVENTION AND TREATMENT OF CHRONIC CEREBRAL INSUFFICIENCY IN VERTEBRALNO-BAZILAR SYSTEM IN PATIENTS WITH CERVICAL DORSOPATHY KW don therapy KW radon baths KW cervical dorsopathy KW degenerative and dystrophic processes KW chronic ischemia KW cervical dorsopaty JO Bulletin of Rehabilitation Medicine AU Vygovskaya, S.N. AU Dubovskoy, A.V. PY 2020 IS 2020 PB Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation