Warshaw, Erin M Patients with negative patch tests: Retrospective analysis of North American Contact Dermatitis Group (NACDG) data 2001-2016. [electronic resource] - Journal of the American Academy of Dermatology Jun 2019 - 1618-1629 p. digital Publication Type: Journal Article ISSN: 1097-6787 Standard No.: 10.1016/j.jaad.2018.12.062 doi Subjects--Topical Terms: AdultAgedAllergens--adverse effectsAnimalsComorbidityConstruction Materials--adverse effectsCross-Sectional StudiesDermatitis, Allergic Contact--diagnosisDermatitis, Contact--diagnosisDermatitis, Irritant--diagnosisDermatitis, Occupational--diagnosisDiagnosis, DifferentialFemaleFood Hypersensitivity--epidemiologyHousehold Products--adverse effectsHumansHypersensitivity, Immediate--epidemiologyMaleMiddle AgedOrgan SpecificityPatch TestsRetrospective StudiesYoung Adult