Sexual behaviors among methadone maintenance patients in a mountainous area in northern Vietnam.

Subst Abuse Treat Prev Policy · 2017 · PMC5574107 · PMID 28841918

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an increasing trendno p-value reported

However, currently, there is an increasing trend nationwide of HIV being spread by risky sexual behavior in most-at-risk populations such as sex workers, men who have sex with men, and injection drug users [ 12 ].

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