title: For: Can ROI methodology/normalised tissue activities be used instead of absolute blood flow measurements in the brain?
authors.affiliation: Institute of Nuclear Medicine, University College London, Middlesex Hospital site, United Kingdom. d.costa@nucmed.ucl.ac.uk
authors.forename: Durval C
authors.initials: DC
authors.lastname: Costa
mesh_terms: D001783:Blood Flow Velocity; D001921:Brain / Q000098:blood supply* / Q000000981:diagnostic imaging* / Q000378:metabolism; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging / Q000378:metabolism; D003704:Dementia / Q000000981:diagnostic imaging / Q000378:metabolism; D003863:Depression / Q000000981:diagnostic imaging / Q000378:metabolism; D004827:Epilepsy / Q000000981:diagnostic imaging / Q000378:metabolism; D006801:Humans; D011868:Radioisotopes / Q000097:blood* / Q000493:pharmacokinetics; D011877:Radionuclide Imaging / Q000379:methods*; D012016:Reference Values
chemical_list: D011868:Radioisotopes