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China
Cistanche
Seeds
Lycium
Medicinal Plants
Young Adult
HIV Infections
Disease Transmission, Infectious
Tuberculosis
Intravenous Substance Abuse
Sexual Behavior
Needle Sharing
Risk Factors
Cohort Studies
Logistic Models
Prevalence
Prospective Studies
Seasons
Multivariate Analysis
Spectroscopy, Fourier Transform Infrared
Co-Publications
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4
3
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