Lester, S E Endoscopic 'cold steel' versus laser dacryocystorhinostomy: completing the audit cycle. [electronic resource] - The Journal of laryngology and otology Sep 2008 - 924-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1748-5460 Standard No.: 10.1017/S0022215107001363 doi Subjects--Topical Terms: AdolescentAdultAgedAged, 80 and overChildChild, PreschoolDacryocystorhinostomy--methodsEndoscopy--methodsFemaleFollow-Up StudiesHumansInfantLaser Therapy--methodsMaleMedical AuditMiddle AgedRetrospective StudiesTreatment Outcome