title: PRELIMINARY REPORT OF CATARACT EXTRACTION BY FREEZING.
mesh_terms: D002387:Cataract Extraction; D003452:Cryosurgery; D005615:Freezing; D005853:Geriatrics; D006801:Humans; D013525:Surgical Instruments
keywords: CATARACT EXTRACTION; CRYOGENIC SURGERY; GERIATRICS; SURGICAL INSTRUMENTS