title: Barrier concepts and CSF analysis.
authors.forename: K
authors.initials: K
authors.lastname: Felgenhauer
mesh_terms: D001812:Blood-Brain Barrier; D002555:Cerebrospinal Fluid / Q000502:physiology*; D004730:Endothelium, Vascular / Q000502:physiology; D006801:Humans; D007136:Immunoglobulins / Q000134:cerebrospinal fluid
chemical_list: D007136:Immunoglobulins