| http://www.w3.org/ns/prov#value | - The causal role of sharing1 used injection equipment in transmitting diseases has been well documented for some time (Brecher, 1941; Louria, 1967; Cherubin, 1967; Centers for Disease Control and Prevention, 1993) and for a variety of blood-borne diseases, such as hepatitis and bacterial endocarditis (Selwyn and Alcabes, 1994).
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