title: Chronic urticaria, activated T cells, and mast cell releasability.
mesh_terms: D001491:Basophils / Q000378:metabolism; D002908:Chronic Disease; D003061:Codeine / Q000009:adverse effects; D004342:Drug Hypersensitivity / Q000209:etiology; D006636:Histamine Release; D006801:Humans; D008213:Lymphocyte Activation; D008407:Mast Cells / Q000378:metabolism*; D013601:T-Lymphocytes / Q000276:immunology*; D014581:Urticaria / Q000276:immunology*; D003189:p-Methoxy-N-methylphenethylamine / Q000494:pharmacology
chemical_list: D003189:p-Methoxy-N-methylphenethylamine; D003061:Codeine