title: Evaluating the significance of changes in brain SPECT.
authors.forename: D G
authors.initials: DG
authors.lastname: Pavel
authors.forename: J D
authors.initials: JD
authors.lastname: Van Horn
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging*; D003866:Depressive Disorder / Q000000981:diagnostic imaging*; D006801:Humans; D015899:Tomography, Emission-Computed, Single-Photon / Q000706:statistics & numerical data