title: Diagnostic tests for type IV or delayed hypersensitivity reactions.
authors.affiliation: New York University School of Medicine, New York, USA.
authors.forename: D E
authors.initials: DE
authors.lastname: Cohen
authors.forename: R R
authors.initials: RR
authors.lastname: Brancaccio
authors.forename: N A
authors.initials: NA
authors.lastname: Soter
mesh_terms: D006801:Humans; D006968:Hypersensitivity, Delayed / Q000175:diagnosis*; D010328:Patch Tests