A test device and method are provided for determining {HEAD ~ the hemoglobin content} of {TAIL ~ blood} 
of
A test device and method are provided for determining { HEAD ~ the hemoglobin content } of { TAIL ~ blood }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL