title: Problems with punctal plugs. Case report.
authors.forename: J E
authors.initials: JE
authors.lastname: Levenson
authors.forename: J
authors.initials: J
authors.lastname: Hofbaver
mesh_terms: D000328:Adult; D003094:Collagen; D003250:Constriction; D015352:Dry Eye Syndromes / Q000628:therapy*; D004868:Equipment Failure; D005260:Female; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery; D008297:Male
chemical_list: D003094:Collagen