Objective To explore the feasible methods and evaluate the results of needle exchange project in preventing from HIV infection among drug users through injection.
目的探讨在注射吸毒人群中开展针具交换的可行性，评价其预防注射吸毒者HIV感染效果。
Objective To explore the feasible methods and evaluate the results of needle exchange project in preventing from HIV infection among drug users through injection.
目的探讨在注射吸毒人群中开展针具交换的可行性，评价其预防注射吸毒者HIV感染效果。
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