Methods and devices for Laser Induced Fluorescence Attenuation Laser Induced Fluorescence Attenuation Spectroscopy (LIFAS) Spectrocopy, including, in particular, methods and devices for the detection of ischemia and hypoxia in biological tissue. The LIFAS method and apparatus preferably include a source...http://www.google.com/patents/US6697657?utm_source=gb-gplus-sharePatent US6697657 - Method and devices for laser induced fluorescence attenuation spectroscopy (LIFAS)
