6Kuznik A,Lamorde M, Nyabigambo A,et al. Antenatal syphilis screening using point - of - care testing in Sub - Saharan African countries : a cost — effectiveness analysis[ J]. PLoS Med, 2013,10(11) :el001545.
7Gomez GB,Kamb ML,Newman LM,et al. Untreated maternal syphilis and adverse outcomes of pregnancy : a systematic review and meta - analysis[ J]. Bull World Health Organ, 2013,91 (3) : 217 -226.
8Centers for Disease Control and Prevention, Workwski KA, Beronan SM. Sexually transmitted diseases treatment guidelines 2006 [J] .MMWR Recomm Rep, 2006, 55 ( RR-11): 1 - 94.
9Newman L, Kamb M,Hawkes S,et al. Global estimates of syphilis in pregnancy and associated adverse outcomes : analysis of multinational antenatal surveillance data[ J]. PLoS Med, 2013, 10 (2) : el001396.