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Quebec
Saskatchewan
Canada
Homeless Youth
Risk Factors
Cohort Studies
Prevalence
Odds Ratio
Incidence
Logistic Models
Prospective Studies
Cross-Sectional Studies
Risk
Case Control Studies
Intravenous Substance Abuse
Needle Sharing
Questionnaires
Risk-Taking
HIV Infections
Lupus Erythematosus, Systemic
Co-Publications
18
11
10
8
6
5
4
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