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Influence on microcirculatory flow velocities. The flow velocity [μm/s] in small (< 20 μm), medium (20-50 μm), and large (> 50 μm) microvessels measured in Sidestream Dark Field (SDF) video sequences of 5 healthy volunteers while the negative pressure source of the image acquisition stabilizer (IAS) was switched on and off. In all microvessels p = ns for negative pressure source on versus off.
