title: Gamma camera or rectilinear scanner.
mesh_terms: D001927:Brain Diseases / Q000175:diagnosis*; D001932:Brain Neoplasms / Q000175:diagnosis; D002561:Cerebrovascular Disorders / Q000175:diagnosis; D006391:Hemangioma / Q000175:diagnosis; D006406:Hematoma / Q000175:diagnosis; D006801:Humans; D007238:Infarction / Q000175:diagnosis; D008579:Meningioma / Q000175:diagnosis; D010781:Photography; D011187:Posture; D011877:Radionuclide Imaging / Q000295:instrumentation*; D013667:Technetium; D013997:Time Factors; D014054:Tomography
chemical_list: D013667:Technetium