title: [Natural killer cell activity in gastrointestinal cancer patients--a decline in natural killer cell activity in T cells and the action of interferon on its increase (author's transl)].
mesh_terms: D005770:Gastrointestinal Neoplasms / Q000276:immunology / Q000473:pathology*; D006801:Humans; D007141:Immunoglobulin Fc Fragments / Q000276:immunology; D007372:Interferons / Q000494:pharmacology*; D007694:Killer Cells, Natural / Q000276:immunology*
chemical_list: D007141:Immunoglobulin Fc Fragments; D007372:Interferons