No abstract available
MeSH terms
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Adult
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Ambulatory Care
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Counseling
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Drug Users
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Early Diagnosis
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HIV Infections / diagnosis
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HIV Infections / prevention & control*
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HIV Infections / transmission
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Humans
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Male
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Needle-Exchange Programs / organization & administration*
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Needle-Exchange Programs / statistics & numerical data
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Primary Health Care / organization & administration*
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Primary Prevention / methods*
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Substance Abuse, Intravenous / complications