title: [Experience in the use of a drill compass for the formation of a bone aperture in external dacryocystorhinostomy].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002481:Cellulitis / Q000601:surgery; D002648:Child; D003607:Dacryocystitis / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014207:Trephining / Q000295:instrumentation*
vernacular_title: Opyt primeneniia bortsirkulia dlia obrazovaniia kostnogo otverstiia pri naruzhnoĭ dakriotsistorinostomii.