title: [Use of elastic plastmass sounds in stenosis of the lacrimal canals and of the nasolacrimal duct].
mesh_terms: D003251:Constriction, Pathologic; D005143:Eyelids; D006801:Humans; D007765:Lacrimal Apparatus; D007766:Lacrimal Apparatus Diseases; D009301:Nasolacrimal Duct
keywords: LACRIMAL APPARATUS/diseases