Venous occlusion plethysmography. Part 2: methods.
D000388:Air; D004582:Electronics, Medical; D006112:Gravitation; D006801:Humans; D006874:Hydrostatic Pressure; D008628:Mercury; D010781:Photography; D010991:Plethysmography / Q000295:instrumentation / Q000379:methods*; D010992:Plethysmography, Impedance; D014867:Water
D014867:Water; D008628:Mercury