http://en.wikipedia.org/wiki/Obsessive-compulsive_disorder

http://www.answers.com/topic/obsessive-compulsive-disorder

http://www.helpguide.org/mental/obsessive_compulsive_disorder_ocd.htm

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

http://familydoctor.org/133.xml

http://kidshealth.org/parent/emotions/behavior/OCD.html

http://www.aafp.org/afp/980401ap/eddy.html

http://www.healthnewsflash.com/conditions/obsessive_compulsive_disorder.htm

http://www.athealth.com/consumer/disorders/nih_ocd.html

http://www.ncpamd.com/obsessive.htm