Bailey, D L A method for measuring the absolute sensitivity of positron emission tomographic scanners. [electronic resource] - European journal of nuclear medicine 1991 - 374-9 p. digital Publication Type: Journal Article ISSN: 0340-6997 Standard No.: 10.1007/BF02258426 doi Subjects--Topical Terms: CalibrationMethodsTomography, Emission-Computed--instrumentation