Methods: the 233 drug users were surveyed using the same questionnaire, HIV antibodies were screened and confirmed using enzyme-linked immunosorbent assay (ELISA) and Western Blot (WB) respectively.
方法：采用同一问卷对强制戒毒所233名吸毒者进行调查，并用酶联免疫吸附试验(ELISA)和确认试验(WB)对吸毒者进行HIV初筛和确认。
Methods: the 233 drug users were surveyed using the same questionnaire, HIV antibodies were screened and confirmed using enzyme-linked immunosorbent assay (ELISA) and Western Blot (WB) respectively.
方法：采用同一问卷对强制戒毒所233名吸毒者进行调查，并用酶联免疫吸附试验(ELISA)和确认试验(WB)对吸毒者进行HIV初筛和确认。
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