Risk of syphilis in STI clinic patients: a cross-sectional study of 11 500 cases in Guangxi, China
Susan P Y Wong, Yue-Ping Yin, Xing Gao, Wan-Hui Wei, Mei-Qin Shi, Pei-Yong Huang, Hong Wang, Qiang Chen, MuSang Liu, Joseph D Tucker, Xiang-Sheng Chen, Myron S Cohen
Sexually Transmitted Infections Aug 2007, 83 (5) 351-356; DOI: 10.1136/sti.2007.025015