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pubmed:abstractText |
To determine relationships between drug use "hardness" (defined in increasing order of hardness as no drug use, marijuana use, non-injected heroin or cocaine use, crack smoking and injection drug use) and prevalences of several sexually transmissible infections among young adults in a high-risk neighbourhood. Drug users, particularly injection drug users and crack smokers, may be a core group for some sexually transmitted infections.
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pubmed:affiliation |
National Development and Research Institutes, Inc., 71 West 23rd Street, New York, NY 10010, USA. friedman@ndri.org
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