title: Sodium pertechnetate Tc 99m in lacrimal secretion.
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D008722:Methods; D012636:Secretory Rate; D013666:Tears / Q000032:analysis* / Q000378:metabolism; D013667:Technetium / Q000008:administration & dosage / Q000378:metabolism; D013997:Time Factors
chemical_list: D013667:Technetium