| http://www.w3.org/ns/prov#value | - ector and light source, the light source mounted so as to transilluminate the tissue and the detector mounted so as to detect the light from said light source not absorbed by said tissue, (b) a base adapted for holding a portion of the tissue of the subject through which pulsatile flow of arterial blood can be detected, said base including at least a portion of the light transmission set; (c) mean
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