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  • Liquid nitrous oxide spray being used to treat
  • Keymed liquid gaseous nitrous oxide unit DS750
  • Liquid gaseous nitrous oxide closed probe in use.
  • Nitrous Oxide Gas Apparatrus. Leather covered, or mahogany case, Fig. 972. Gasometer's for Liquid Gas (Barth's), Fig. 973. Page 331.
  • Comparison: gas/liquid gaseous nitrous oxide
  • Horse with a sarcoid: post-freezing oedema
  • Sarcoid: immediately after freezing
  • Sarcoid prior to freezing (horse)
  • Sarcoid: freezing with liquid nitrogen
  • Liquid nitrogen closed probe on eyelid