A revolution in surgery

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Across
  1. 4. What was the name of the doctor who discovered chloroform as an anaesthetic?
  2. 5. Who persuaded Queen Victoria to use chloroform when giving birth?
  3. 7. The work of which scientist helped Lister realise carbolic acid might work?
  4. 8. Which chemical was used as anaesthetics before chloroform?
Down
  1. 1. Who helped Simpson to overcome opposition to the use of chloroform?
  2. 2. What chemical did Lister use in his antiseptic surgeries?
  3. 3. Who died after getting her toenail removed?
  4. 6. What is the name for surgeries where all possible germs are removed from the operating theatre?