Definition: Given an abstract, generate a keyword (a noun phrase) that best describes the focus or contribution of the paper. Such keywords can be directly from the given abstract or outside it.
Input: Abstract: Allergic contact dermatitis is reported in 5 machine operatives working with a cutting oil containing an epoxy compound used as a stabilizer. Positive patch test reactions to this compound were obtained in all 5 men and were negative in 25 controls.

Human