A method and apparatus for measuring a biological attribute, such as the concentration of an analyte, particularly a blood analyte in tissue such as glucose. The method utilizes spectrographic techniques in conjunction with an improved instrument-tailored or subject-tailored calibration model. In a calibration...http://www.google.es/patents/US7098037?utm_source=gb-gplus-sharePatente US7098037 - Accommodating subject and instrument variations in spectroscopic determinations
Accommodating subject and instrument variations in spectroscopic determinations
