title: INSTRUMENTS FOR THE TEMPORARY APPLICATION OF PLASTIC TUBES IN THE TREATMENT OF LACRIMAL OBSTRUCTION.
mesh_terms: D003033:Coal Tar; D006801:Humans; D007765:Lacrimal Apparatus; D007767:Lacrimal Duct Obstruction; D011095:Polyethylenes; D019736:Prostheses and Implants; D019919:Prosthesis Implantation; D013812:Therapeutics
chemical_list: D011095:Polyethylenes; D003033:Coal Tar
keywords: LACRIMAL DUCT OBSTRUCTION; POLYETHYLENES; PROSTHESIS; THERAPEUTICS