1. The history of syphilis;BM Rothschild;Clin Infect Dis,2005
2. The early history of syphilis: a reappraisal;AW Crosby Jr;Am Anthropol,1969
3. Effectiveness of interventions to improve screening for syphilis in pregnancy: a systematic review and meta-analysis;S Hawkes;Lancet Infect Dis,2011
4. World Health Organization (2007) The global elimination of congenital syphilis: rationale and strategy for action. Geneva: World Health Organization. Available: http://www.who.int/reproductivehealth/publications/rtis/9789241595858/en/index.html. Accessed 17 January 2013.
5. World Health Organization (2011) Progress report 2011: Global HIV/AIDS response. Geneva, Switzerland. Available: http://www.who.int/hiv/pub/progress_report2011/en/index.html. Accessed 17 January 2013.