title: [Retrograde obstruction of the lacrimal duct under normal conditions].
mesh_terms: D000293:Adolescent; D000328:Adult; D000388:Air; D002404:Catheterization; D003287:Contrast Media; D006801:Humans; D007767:Lacrimal Duct Obstruction / Q000175:diagnosis*; D008297:Male; D009301:Nasolacrimal Duct / Q000000981:diagnostic imaging / Q000502:physiology; D009583:Nitrofurazone; D011859:Radiography
chemical_list: D003287:Contrast Media; D009583:Nitrofurazone
vernacular_title: O retrogradnoĭ neprokhodimosti slezootvodiashchikh puteĭ v norme