| http://www.w3.org/ns/prov#value | - Rhus plants(poison Ivy, poison oak, poison sumac) are the most common cause of allergic contact dermatitis in the US. Rhus plans contain the potent antigen urushiol, which will sensitize 60% to 80% of the persons who are exposed to it. ...(It) may be carried on the fur of pets, clothing, shoes, toys, tools, or other objects and then transferred to the skin.
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