Source:http://linkedlifedata.com/resource/umls/id/C0085091
MSH: Usage of a single needle among two or more people for injecting drugs. Needle sharing is a high-risk behavior for contracting infectious disease.,CSP: use of contaminated hypodermic needles and syringes by IV drug abusers; important risk factor for blood-borne disease transmission, e.g. HIV infection and hepatitis.