title: Studying regional brain function: a challenge for SPECT.
mesh_terms: D000662:Amphetamines; D001921:Brain / Q000098:blood supply / Q000000981:diagnostic imaging*; D002560:Cerebrovascular Circulation; D006801:Humans; D007457:Iodine Radioisotopes; D020367:Iofetamine; D011868:Radioisotopes; D014055:Tomography, Emission-Computed; D014978:Xenon
chemical_list: D000662:Amphetamines; D007457:Iodine Radioisotopes; D011868:Radioisotopes; D014978:Xenon; D020367:Iofetamine