title: A study of T-lymphocytes and delayed cutaneous hypersensitivity reaction in patients with squamous cell carcinoma of head and neck region.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000942:Antigens, Bacterial / Q000276:immunology; D002175:Candida / Q000276:immunology; D002294:Carcinoma, Squamous Cell / Q000276:immunology*; D004137:Dinitrochlorobenzene / Q000276:immunology; D005260:Female; D006258:Head and Neck Neoplasms / Q000276:immunology*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D008297:Male; D008875:Middle Aged; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D004137:Dinitrochlorobenzene