Excitation light is irradiated to a region of interest in a living body, the excitation light causing the region of interest to produce intrinsic fluorescence. An image displaying system acquires image information in accordance with the intrinsic fluorescence and displays the acquired image information....http://www.google.es/patents/US6574502?utm_source=gb-gplus-sharePatente US6574502 - Apparatus for displaying fluorescence images
