Kalyuzhin AS, Belchiuk MP, Dushkina MA, Mashdieva MS. THE BLOOD-BRAIN BARRIER AS A PHYSIOLOGICAL AND TOXICOLOGICAL SYSTEM OF BRAIN PROTECTION: STRUCTURAL AND FUNCTIONAL ORGANIZATION, TRANSPORT MECHANISMS, AND THE SIGNIFICANCE OF DYSFUNCTION IN CENTRAL NERVOUS SYSTEM DISORDERS. МК. 2026;25(2):8-18. doi:10.24412/2687-0053-2026-2-8-18