King, M A Activity quantitation in SPECT: a study of prereconstruction Metz filtering and use of the scatter degradation factor. [electronic resource] - Medical physics - 184-9 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0094-2405 Standard No.: 10.1118/1.596705 doi Subjects--Topical Terms: Filtration--instrumentationHumansImage Processing, Computer-AssistedModels, StructuralTomography, Emission-Computed, Single-Photon--instrumentation