1. World Health Organization. Global prevalence and incidence of selected curable sexually transmitted infections: overview and estimates. 2001. Geneva: World Health Organization; p. 1.
2. Workowski KA, Berman S. Centers for Disease Control and Prevention (CDC). Sexually transmitted diseases treatment guidelines, 2010. MMWR Recomm Rep 2010;59(RR-12):1-110 21160459.
4. Cho BH. Sexuality risk & HIV/AIDS. 2008. Seoul: Nanam Publications; p. 168. p. 261-347 p. 301 (Korean).
5. Laumann EO, Gagnon JH, Michael RT, Michaels S. The social organization of sexuality: sexual practices in the United States. 1994. Chicago: University of Chicago Press; p. 172-224.
6. Aral SO, Lipshutz JA, Douglas JM. In: Aral SO, Douglas JM, editors. Behavioral interventions for prevention and control of sexually transmitted diseases. Introduction. 2007. New York: Springer; p. 9-19.
7. Scorgie F, Chersich MF, Ntaganira I, Gerbase A, Lule F, Lo YR. Socio-demographic characteristics and behavioral risk factors of female sex workers in sub-saharan Africa: a systematic review. AIDS Behav 2012;16(4):920-933 21750918.
8. Youm Y, Mackesy-Amiti ME, Williams CT, Ouellet LJ. Identifying hidden sexual bridging communities in Chicago. J Urban Health 2009;86(Suppl 1):107-120 19543836.
9. Jung M, Choi M. The sociodemographic characteristics of concurrent sexual partnerships and their risky sexual behaviors: results of a nationally representative sample of South Korean adults. Sex Disabil 2009;27(3):127-138.
10. Weitzer R. Sociology of sex work. Annu Rev Sociol 2009;35: 213-234.
11. Brockerhoff M, Biddlecom AE. Migration, sexual behavior and the risk of HIV in Keyna. Int Migr Rev 1999;33(4):833-856.
12. Muhib FB, Lin LS, Stueve A, Miller RL, Ford WL, Johnson WD, et al. A venue-based method for sampling hard-to-reach populations. Public Health Rep 2001;116(Suppl 1):216-222 11889287.
13. Semaan S, Lauby J, Liebman J. Street and network sampling in evaluation studies of HIV risk-reduction interventions. AIDS Rev 2002;4(4):213-223 12555695.
14. Family Health International. Behavioral surveillance surveys (BSS): guidelines for repeated behavioral surveys in populations at risk of HIV. 2000. Arlington: Family Health International; p. 1-9.
15. Basen-Engquist K, Masse LC, Coyle K, Kirby D, Parcel GS, Banspach S, et al. Validity of scales measuring the psychosocial determinants of HIV/STD-related risk behavior in adolescents. Health Educ Res 1999;14(1):25-38 10537945.
16. Jiang J, Cao N, Zhang J, Xia Q, Gong X, Xue H, et al. High prevalence of sexually transmitted diseases among men who have sex with men in Jiangsu Province, China. Sex Transm Dis 2006;33(2):118-123 16432484.
17. Azim T, Islam MN, Bogaerts J, Mian MA, Sarker MS, Fattah KR, et al. Prevalence of HIV and syphilis among high-risk groups in Bangladesh. AIDS 2000;14(2):210-211 10708297.
19. Lee SJ, Ha US, Kim SW, Cho YH, Yoon MS. Prevalence of chlamydial and gonococcal infections and sexual behavior in university students in Korea(Korean). Korean J Urol 2004;45(7):707-713 (Korean).
20. Korea Centers for Disease Control and Prevention (KCDC). The improvement of surveillance systems of sexually transmitted diseases (STDs) including antibioticresistant gonorrhea. 2005. Seoul: KCDC; p. 22 (Korean).
21. Kim O, Kim SS, Park MS, Suh SD, Lee MW, Kim KS, et al. Seroprevalence of sexually transmitted viruses in Korean populations including HIV-seropositive individuals. Int J STD AIDS 2003;14(1):46-49 12590793.
22. Poon AN, Li Z, Wang N, Hong Y. Review of HIV and other sexually transmitted infections among female sex workers in China. AIDS Care 2011;23(Suppl 1):5-25 21660747.