Ensari T, Kirbas A, Ozgu-Erdinc AS, Gokay Saygan S, Erkaya S, Uygur D, Danisman N (2015) An eight-year retrospective analysis of antenatal screening results for syphilis: is it still cost effective?. J Infect Dev Ctries 9:1011–1015. doi: 10.3855/jidc.6064