title: Future of nuclear medicine: SPECT versus PET.
authors: Ali
authors: A
authors: Gholamrezanejhad
authors: Sahar
authors: S
authors: Mirpour
authors: Giuliano
authors: G
authors: Mariani
mesh_terms: D005544:Forecasting; D007089:Image Enhancement / Q000379:methods*; D009683:Nuclear Medicine / Q000639:trends*; D049268:Positron-Emission Tomography / Q000639:trends*; D015899:Tomography, Emission-Computed, Single-Photon / Q000639:trends*