Ethyl chloride as a local anaesthetic.
D000779:Anesthetics, Local; D002648:Child; D003475:Curettage; D004322:Drainage; D005018:Ethyl Chloride; D005667:Furunculosis / Q000601:surgery; D006801:Humans; D007267:Injections
D000779:Anesthetics, Local; D005018:Ethyl Chloride