title: Blood brain barrier blocks transport of carboxyl-11C-nicotinic acid into human brain.
authors: L V
authors: LV
authors: Hankes
authors: H H
authors: HH
authors: Coenen
authors: E
authors: E
authors: Rota
authors: K J
authors: KJ
authors: Langen
authors: H
authors: H
authors: Herzog
authors: G
authors: G
authors: Stoecklin
authors: L E
authors: LE
authors: Feinendegen
mesh_terms: D000368:Aged; D001812:Blood-Brain Barrier; D001921:Brain / Q000000981:diagnostic imaging / Q000378:metabolism*; D002250:Carbon Radioisotopes; D006801:Humans; D008297:Male; D009539:Nicotinic Acids / Q000493:pharmacokinetics*; D011877:Radionuclide Imaging
chemical_list: D002250:Carbon Radioisotopes; D009539:Nicotinic Acids