Patch-test results in terms of the recently recommended allergens in children and adolescents: A retrospective cohort study over 22 years from Turkey.

For patch testing in Turkish children and adolescents, we suggest additionally testing with ammonium persulfate, mercury/mercury(II)amidochloride, toluenesulfonamide formaldehyde resin, and polyethylene glycol, the latter as a marker for nitrofurazone allergy, in appropriate patients.