The top five allergens were balsam of Peru (10.8%), fragrance mix I (8.1%), tolu balsam (8.1%), phenylmercuric acetate (8.1%), and neomycin (5.4%). Females were more often allergic (50% ...

Approval was obtained from the Institutional Review Board, and data from 1,238 patch-tested individuals during the period of January 1990 to December 2006 at the Massachusetts General Hospital ...