{HEAD ~ A method} is provided for cooling {TAIL ~ skin} during irradiation treatment including thermally coupling a window to the skin and actively extracting heat from the window 
{ HEAD ~ A method } is provided for cooling { TAIL ~ skin } during irradiation treatment including thermally coupling a window to the skin and actively extracting heat from the window
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH