| http://www.w3.org/ns/prov#value | - The present series of inventions was prompted by the need to decrease the exposure of healthcare workers to potentially harmful needle sticks which, as detailed in the inventors' recent disclosure (U.S. Pat. No. 5,478,328 in 1995), pose the risk of infection with diseases such as hepatitis and AIDS. All too commonly, inadvertent needle sticks occur with needles that are being used for, or have bee
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