TY - RPRT TI - Determination of a biological absorber depth utilizing multiple source-detector separations and multiple frequency values of near-infrared time-resolved spectroscopy AU - MW Hemelt AU - KA Kang PY - 1999 DO - 10.1021/bp990073q UR - https://pubmed.ncbi.nlm.nih.gov/10441353/ ID - 10441353 ER -