title: [The ductus nasolacrimalis membranosus in Chinese adults].
mesh_terms: D000328:Adult; D000886:Anthropometry; D001466:Barium Sulfate; D002681:China; D006801:Humans; D007765:Lacrimal Apparatus / Q000033:anatomy & histology*; D008297:Male; D009092:Mucous Membrane; D009301:Nasolacrimal Duct / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011859:Radiography
chemical_list: D001466:Barium Sulfate