title: Natural killer cell activity in psoriasis vulgaris.
mesh_terms: D000293:Adolescent; D000328:Adult; D003602:Cytotoxicity, Immunologic; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D008875:Middle Aged; D011565:Psoriasis / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology