1. The global elimination of congenital syphilis: rationale and strategy for action. Geneva: Department of Reproductive Health and Research, World Health Organization; 2007. Available from: http://www.who.int/reproductivehealth/publications/rtis/9789241595858/en/index.html [accessed 6 February 2013].
2. Global HIV/AIDS response: epidemic update and health sector progress towards universal access. Geneva: World Health Organization, Joint United Nations Programme on HIV/AIDS & United Nations Children’s Fund; 2011. Available from: http://www.who.int/hiv/pub/progress_report2011/en/index.html [accessed 6 February 2013].
3. Kamb M, Mark J, Wind-Anderson K, Hawkes S, Broutet N. Using indicators to measure the impact of interventions for congenital syphilis elimination. In: International Federation of Gynecology and Obstetrics [Internet]. 2009 IFGO World Congress, 4–9 October 2009, Cape Town, South Africa.
4. a systematic literature review and meta-analysis.;Gomez;Bull World Health Organ,2013
5. A road map for the global elimination of congenital syphilis.;Kamb;Obstet Gynecol Int,2010