title: [Study of tear flow using radioactive isotope (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D007767:Lacrimal Duct Obstruction / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D012212:Rheology; D013666:Tears / Q000502:physiology*