{HEAD ~ The present invention} is directed to a method of cooling skin as protection against thermal damage during radiation treatment, and includes {TAIL ~ the steps} of thermally coupling a window to the skin, and actively extracting heat from the window 
includes
{ HEAD ~ The present invention } is directed to a method of cooling skin as protection against thermal damage during radiation treatment , and includes { TAIL ~ the steps } of thermally coupling a window to the skin , and actively extracting heat from the window
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