title: Salivary scintigraphy: decreased activity.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D011877:Radionuclide Imaging; D012469:Salivary Glands / Q000000981:diagnostic imaging*; D013667:Technetium; D014987:Xerostomia / Q000000981:diagnostic imaging*
chemical_list: D013667:Technetium