1. Achillea millefolium (Yarrow)
Extended or excessive use, internal or external, is likely to cause photosensitivity. You may be allergic to yarrow, handling the plant gives some people a rash. Achillea millefolium (Yarrow) kingdomPlantae.net:
http://www.kingdomplantae.net/yarrow.php

2. Michigan / Indiana Lupus Alliance
In simple terms, lupus develops when the body becomes allergic to itself. to the Lupus Alliance, Michigan Indiana affiliate. This website is presented to provide you with information and resources to help you better understand and manage lupus.
http://www.milupus.org/index.htm

3. Solar Light - Light Sources, Radiometers, and Detectors.
, Photoallergy studies. Solar Light Company is recognized worldwide as a manufacturer of precision UV light sources, solar simulators, radiometers, and detectors. We are motivated and inspired every day by how our customers use our products to...
http://www.solarlight.com/