World Health Organization. (2009). Guidelines for using HIV testing technologies in surveillance: Selection, evaluation and implementation. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Guidelines for Using HIV Testing Technologies in Surveillance: Selection, Evaluation and Implementation. Geneva: World Health Organization, 2009.
Cita MLA (9a ed.)World Health Organization. Guidelines for Using HIV Testing Technologies in Surveillance: Selection, Evaluation and Implementation. World Health Organization, 2009.
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