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| - The light sources 63A, 63B, 63C and 63D may be the white LED light sources or as disclosed, for example, in Co-pending U.S. Patent Application, PCT Patent Application, Publication No, WO 01/65995 to Glukhovsky et al., but may also be any other suitable type of light sources, including but not limited to, infrared light sources, monochromatic light sources, band limited light sources known in the a
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