The blood-brain barrier.
Palmer
Alan M
AM
D000818:Animals; D001812:Blood-Brain Barrier / Q000187:drug effects / Q000502:physiology*; D001921:Brain / Q000098:blood supply / Q000187:drug effects / Q000502:physiology; D001927:Brain Diseases / Q000188:drug therapy / Q000503:physiopathology; D002199:Capillary Permeability / Q000187:drug effects / Q000502:physiology; D002560:Cerebrovascular Circulation / Q000187:drug effects / Q000502:physiology; D004058:Diffusion; D006801:Humans