title: PET scan controversy aired.
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging / Q000378:metabolism; D005947:Glucose / Q000378:metabolism; D019298:Glucose-6-Phosphate; D005958:Glucosephosphates / Q000378:metabolism; D006801:Humans; D014055:Tomography, Emission-Computed
chemical_list: D005958:Glucosephosphates; D019298:Glucose-6-Phosphate; D005947:Glucose