[Improvement of the technic of external dacryocystorhinostomy].
D003607:Dacryocystitis / Q000601:surgery*; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery*; D009296:Nasal Cavity / Q000601:surgery*; D014207:Trephining / Q000379:methods*
Usovershenstvovanie operatsii naruzhnoĭ dakriotsistorinostomii.