http://en.wikipedia.org/wiki/Sexually_transmitted_disease

http://www.cdc.gov/std/

http://www.nlm.nih.gov/medlineplus/sexuallytransmitteddiseases.html

http://www.epigee.org/guide/stds.html

http://www.medicinenet.com/sexually_transmitted_diseases_stds_in_women/article.htm

http://www.wrongdiagnosis.com/s/stds/intro.htm

http://www.medicinenet.com/sexually_transmitted_diseases_stds_in_men/page5.htm

http://www.emedicinehealth.com/sexually_transmitted_diseases/page3_em.htm

http://www.stdservices.on.net/std/Default.htm

http://www.emedicinehealth.com/script/main/art.asp?articlekey=60164