Markus, H S Alterations in regional cerebral blood flow, with increased temporal interhemispheric asymmetries, in the normal elderly: an HMPAO SPECT study. [electronic resource] - Nuclear medicine communications Aug 1993 - 628-33 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0143-3636 Standard No.: 10.1097/00006231-199308000-00002 doi Subjects--Topical Terms: AdultAgedBrain--diagnostic imagingCerebrovascular Circulation--physiologyFemaleHumansMaleOrganotechnetium CompoundsOximesReference ValuesTechnetium Tc 99m ExametazimeTomography, Emission-Computed, Single-Photon