| http://www.w3.org/ns/prov#value | - DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now more particularly to FIG. 1 of the drawings, a fluid connection in the form of plastic tubing is shown which has a needle (not shown) of well known type, and preferably of gauge, on its free end for insertion into a vein in one arm A1 of the donor for withdrawing blood.
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