| http://www.w3.org/ns/prov#value | - A syringe for containing a liquid to be injected including means for selectively adjusting the amount of liquid to be injected and means for indicating the amount selected comprising:a syringe housing, a piston movable within the syringe housing to expel the liquid, and a plunger rod having a first end in contact with the piston for exerting a force on the piston; a hollow cap enveloping a second
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