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

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

http://www.merck.com/mmhe/sec16/ch186/ch186a.html

http://www.merck.com/mmhe/sec16.html

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

http://immunedisorders.homestead.com/disease.html

http://www.healthwatchcenter.com/category/immune-disorders/

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

http://www.wrongdiagnosis.com/i/immune/intro.htm

http://www.thenac.net/immune.htm