5Horn J. Away with all pests:an English surgeon in the Peolple's Republic of China. New York Monthly Review Press,1974.
6Gong XD ,Zhang GC ,Ye SZ,et al. Epidemiological analysis of syphilis in China from 1985 to,2000. China J Sex Transrn Infect,2000,1:1 -6.
7中华人民共和国卫生部.中国艾滋病防治联合评估报告(2007年).2007:1-6.
8Ungchusak K, Rehie T,Thammapompilap P, et al. Determinants of HIV- infectionamong female commercial sex workers in northeastern thailand results from a longitufinal study. J Acquir lmmun Defic Svndr Hum Ret rovirol, 1996,12:500 - 507.