title: Lymphocyte interactions in hypersensitivity phenomena.
mesh_terms: D002450:Cell Communication; D006632:Histamine / Q000276:immunology; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D007073:Immunoglobulin E / Q000276:immunology; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D008934:Mitogens / Q000494:pharmacology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D008934:Mitogens; D007073:Immunoglobulin E; D006632:Histamine