title: Nuclear imaging: SPECT and PET scanners.
authors.forename: Richard
authors.initials: R
authors.lastname: Aston
mesh_terms: D002138:Calibration; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D008284:Maintenance and Engineering, Hospital / Q000379:methods*; D049268:Positron-Emission Tomography / Q000295:instrumentation* / Q000379:methods; D011786:Quality Control; D015898:Tomography Scanners, X-Ray Computed; D015899:Tomography, Emission-Computed, Single-Photon / Q000295:instrumentation* / Q000379:methods