The Joule Thomson retinal cryopencils.
D002245:Carbon Dioxide; D003452:Cryosurgery / Q000295:instrumentation*; D005128:Eye Diseases / Q000601:surgery; D006801:Humans; D012160:Retina / Q000601:surgery*; D012163:Retinal Detachment / Q000601:surgery*
D002245:Carbon Dioxide