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

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

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

http://www.answers.com/topic/sexually-transmitted-infection

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

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

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

http://kidshealth.org/teen/sexual_health/stds/std.html

http://www.womenshealth.gov/faq/sexually-transmitted-infections.cfm

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