A new simple cryosurgical instrument.
D002245:Carbon Dioxide; D002387:Cataract Extraction; D003452:Cryosurgery / Q000295:instrumentation*; D006801:Humans; D009609:Nitrous Oxide; D012163:Retinal Detachment / Q000601:surgery; D013525:Surgical Instruments
D002245:Carbon Dioxide; D009609:Nitrous Oxide