A method and device for irradiating a material, such as a tissue in a patient, is described. The method features the step of first exposing the tissue with radiation. Following the exposing step, the radiation is partially re-emitted (e.g., reflected or scattered) from the tissue. The re-emitted...http://www.google.es/patents/US5824023?utm_source=gb-gplus-sharePatente US5824023 - Radiation-delivery device
