[THE MOST FREQUENT CAUSE OF EPIPHORA AND OUR EXPERIENCE WITH ITS  TREATMENT WITH THE TICHOMIROV AND POCHISOV METHODS OF SURGERY].
D006801:Humans; D007766:Lacrimal Apparatus Diseases; D007767:Lacrimal Duct Obstruction; D013514:Surgical Procedures, Operative
LACRIMAL DUCT OBSTRUCTION; SURGERY, OPERATIVE