DYNAMICS OF IMMUNE STATUS INDICATORS IN PATIENTS WITH RELAPSING-REMITTING MULTIPLE SCLEROSIS BEFORE AND AFTER TREATMENT OF BETFER-1A DRUG Journal title: Annals of Mechnikov Institute Authors: N.I., Vdovichenko, T. I. Kolyada, O. V., Tupotilov, T. V., Negreba, O. M., Kolyada Subject(s): Medicine, Immunology, Microbiology, Pharmacology, Pharmacy