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

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

http://www.std-gov.org/

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

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

http://www.livestrong.com/article/13924-std-information/

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

http://www.cpcsimi.com/std_info.htm

http://www.ashastd.org/learn/learn_statistics.cfm

http://std-gov.org/stds/std.htm