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

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

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

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

http://www.labtestsonline.org/understanding/conditions/std.html

http://www.urologychannel.com/std/index.shtml

http://www.cdc.gov/nchstp/dstd/disease_info.htm

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

http://www.avert.org/std.htm

http://www.mtv.com/onair/ffyr/protect/std_faqs.jhtml