Klinefelter Syndrome
Overview and medical information.
http://www.emedicine.com/PED/topic1252.htm

Klinefelter's Syndrome gynecomastia
Male chest recontouring for large male breasts (gynecomastia) found in Klinefelter's Syndrome with surgical reduction by excision and liposuction. Before and after photographs, links, movies, and patient question and answer boards.
http://www.plasticsurgery4u.com/procedure_folder/male_breast4.html

Genetic Org Home
Information about Klinefelter Syndrome, when it was first discovered, the common characteristics, and treatment.
http://www.genetic.org/

American Association for Klinefelter Syndrome Information and Support (AAKSIS)
Email list, conference, membership, newsletter, regional groups and resource links.
http://www.aaksis.org/

My Klinefelter's Syndrome Page
David Brager's story, with information about Klinefelter's.
http://www.geocities.com/WestHollywood/Castro/4998/klinefel.html

Yahoo!: XXYList
XXY is a genetic anomaly which occurs 1 in 500 in the general population today. Men with this condition usually have Klinefelters Syndrome. Offers joining instructions for this support group.
http://groups.yahoo.com/group/xxylist

MedlinePlus Medical Encyclopedia: Klinefelter Syndrome
Defines this condition, the causes, symptoms, treatment, prognosis, and complications.
http://www.nlm.nih.gov/medlineplus/ency/article/000382.htm

Klinefelter Syndrome - The Ohio Support Network
Specific health and educational resources for Ohio KS individuals and their families. Links to local and national healthcare, ongoing research, conferences, and support meetings.
http://www.klinefelter-ohio.com