Hooper, H R Interactive three-dimensional region of interest analysis of HMPAO SPECT brain studies. [electronic resource] - Journal of nuclear medicine : official publication, Society of Nuclear Medicine Dec 1990 - 2046-51 p. digital Publication Type: Journal Article ISSN: 0161-5505 Subjects--Topical Terms: AdultAgedAged, 80 and overAlzheimer Disease--diagnostic imagingBrain--diagnostic imagingCerebrovascular CirculationFemaleHumansImage Processing, Computer-AssistedMaleMiddle AgedOrganotechnetium CompoundsOximesReference ValuesSoftwareTechnetium Tc 99m ExametazimeTomography, Emission-Computed, Single-Photon