Key words: autoimmune demyelinating diseases, імунний статус, myasthenia gravis, nervous system, multiple encephalomyelitis, multiple sclerosis Immunologic investigations on autoimmune demyelinating neurological disorders Boyko Ludmila Pages: 9-11 Ukrains'kyi Visnyk Psykhonevrolohii 2013, Volume 21, issue 2 (75) Index UDK: