1. World Health Organization, Joint United Nations Programme on HIV/AIDS (UNAIDS and United Nations Children’s Fund (2011) Progress Report 2011: Global HIV/AIDS Response (Geneva: World Health Organization). Available: http://www.who.int/hiv/pub/progress_report2011/en/index.html. Accessed 2014 August 24.
2. UNAIDS World AIDS day Report 2012. Available: http://www.unaids.org/en/media/unaids/contentassets/documents/epidemiology/2012/gr2012/JC2434_Worl dAIDSday_results_en.pdf. Accessed 2014 August 24.
3. The International Labour Organization (ILO), National AIDS Control Organization (2007) Targeted Interventions for High Risk Groups (HRGs): Operational guidelines. Available: http://www.ilo.org/wcmsp5/groups/public/@ed_protect/@protrav/@ilo_aids/documents/legaldocument/wcm s_117312.pdf. Accessed 2014 August 24.
4. Burden of HIV among female sex workers in low-income and middle-income countries: a systematic review and meta-analysis. Lancet Infect Dis;SD Baral,2012
5. Distinguishing sources of HIV transmission from the distribution of newly acquired HIV infections: why is it important for HIV prevention planning? Sex Transm Infect;S Mishra,2014