Taking to the streets.
Brown
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D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis / Q000517:prevention & control* / Q000635:transmission; D000293:Adolescent; D000328:Adult; D001955:British Columbia; D005260:Female; D006801:Humans; D008297:Male; D009726:Nurses; D019966:Substance-Related Disorders; D014505:Urban Population