POLYTHENE TUBES IN CANALICULUS SURGERY.
D006801:Humans; D007765:Lacrimal Apparatus; D007767:Lacrimal Duct Obstruction; D020959:Polyethylene; D013514:Surgical Procedures, Operative
D020959:Polyethylene
LACRIMAL APPARATUS; LACRIMAL DUCT OBSTRUCTION; SURGERY, OPERATIVE