Figure 3.

Effect of stenosis on a vein. Q1, blood-flow rate through normal vein; Q2, blood-flow rate through stenotic vein; R1, hydraulic resistance of normal vein; R2, hydraulic resistance of stenotic vein; ΔP1, pressure drop through normal vein; and ΔP2, pressure drop through stenotic vein.

Beggs BMC Medicine 2013 11:142   doi:10.1186/1741-7015-11-142
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