The velocity of {TAIL ~ blood cells} in {HEAD ~ skin or other tissue capillaries} is determined by a laser Doppler technique 
The velocity of { TAIL ~ blood cells } in { HEAD ~ skin or other tissue capillaries } is determined by a laser Doppler technique
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH