Anesthesia inventions

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Across
  1. 6. inventor of spinal and iv regional anesthesia
  2. 7. inventor of boyle’s machine
  3. 8. first given chloroform
Down
  1. 1. inventor of bain circuit
  2. 2. inventor of LMA
  3. 3. inventor of etomidate and fentanyl
  4. 4. inventor of pulse oximeter
  5. 5. father of anesthesia