title: Clinical indications for positron emission tomography (PET) scanning.
mesh_terms: D006331:Heart Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D009369:Neoplasms / Q000000981:diagnostic imaging*; D009422:Nervous System Diseases / Q000000981:diagnostic imaging*; D018579:Patient Selection; D019275:Radiopharmaceuticals; D012017:Referral and Consultation / Q000592:standards; D014055:Tomography, Emission-Computed
chemical_list: D019275:Radiopharmaceuticals