How to run a liquid nitrogen clinic
My first response to being asked to write an article on ‘How to run a liquid nitrogen clinic’ was: ‘That’s a cool subject’. This is because liquid nitrogen has a boiling point of -196oC. Cryotherapy comes from the Greek ‘cryo’ meaning cold and ‘therapy’ meaning cure. It is defined as the deliberate destruction of unwanted, abnormal or diseased tissue by local freezing in a controlled manner.
Dermatology in practice 2012; 18(3): 4–8
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