title: Immunologic characterization of infiltrating cells in flare-up reactions.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology*; D001706:Biopsy; D006801:Humans; D006968:Hypersensitivity, Delayed; D010655:Phenylenediamines / Q000009:adverse effects; D012867:Skin / Q000276:immunology* / Q000473:pathology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D010655:Phenylenediamines; C031506:4-aminodiphenylamine