1. Immune Mediated Disease: Delayed Hypersensitivity -- Helping You Find Solutions For Health
New and foreign substances introduced to the body such as drugs and herbs usually cause delayed allergic When considering the origin of hypersensitivity diseases, food materials should be given priority consideration since that are the biggest...
http://www.nutramed.com/allergy/allergy_delayed.htm

2. Health Topics -- Netwellness Homepage
This skin test detects hypersensitivity to aspergillus. The test is to detect hypersensitivity to the mold aspergillus. An antigen is a substance that stimulates the immune system to eliminate or fight foreign substances in the body.
http://www.netwellness.org/ency/article/003836.htm

3. Atopic and Allergic Disorders: Allergic and Other Hypersensitivity Disorders: Merck Manual Profes...
Allergic and Other Hypersensitivity Disorders: Merck Manual Professional Type I hypersensitivity reactions underlie all atopic and many allergic disorders. Atopy is an exaggerated IgE-mediated immune response; all atopic disorders are type I...
http://www.merck.com/mmpe/sec13/ch165/ch165c.html