title: Pet peeves.
authors.forename: Donald R
authors.initials: DR
authors.lastname: Royall
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000000981:diagnostic imaging*; D003704:Dementia / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D014055:Tomography, Emission-Computed