title: Natural killer cell numbers and activity in patients with chronic autoimmune thrombocytopenic purpura.
authors.forename: J W
authors.initials: JW
authors.lastname: Semple
authors.forename: J
authors.initials: J
authors.lastname: Freedman
mesh_terms: D002908:Chronic Disease; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D007958:Leukocyte Count; D016553:Purpura, Thrombocytopenic, Idiopathic / Q000097:blood*