Ricciardi, L Systemic nickel allergy syndrome: epidemiological data from four Italian allergy units. [electronic resource] - International journal of immunopathology and pharmacology - 131-6 p. digital Publication Type: Letter ISSN: 0394-6320 Standard No.: 10.1177/039463201402700118 doi Subjects--Topical Terms: AdultDermatitis, Allergic Contact--diagnosisEnvironmental Pollutants--adverse effectsFemaleFood Contamination--analysisHumansHypersensitivity--diagnosisItaly--epidemiologyMaleNickel--adverse effects