title: Chronobiological studies on the blood-brain barrier.
mesh_terms: D000818:Animals; D001808:Blood Vessels / Q000502:physiology / Q000648:ultrastructure; D001812:Blood-Brain Barrier; D001921:Brain / Q000098:blood supply; D002463:Cell Membrane Permeability; D002940:Circadian Rhythm; D006651:Histocytochemistry; D006735:Horseradish Peroxidase; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D006735:Horseradish Peroxidase