What"DOPPLER TO STUDYBLOOD FLOW TO FEET-FPM-004"?!
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http://home.btconnect.com/MalcolmBrown/entries/ULTRASONIC_BLOOD_FLOW_RATE_METER.html
They do measure the blood flow of feet for diabetics.
FPM could mean a bunch of things from feet per minute to fluid particle model (a way of counting the speed of blood).
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