| http://www.w3.org/ns/prov#value | - A pressure display device 10 is also coupled to the chamber 900 for monitoring the pressure in the chambers 900, 910, 920. [0151] The pump 801, chambers 900, 910, 920, and bladders 11, 12 are constructed in such a manner as to apply pressure to the jugular veins 501, 502 in constant increments as the pump 801 is operated.
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