Cobb, C M Comparison of NK-cell (Leu-7+ and Leu-11b+) populations in clinically healthy gingiva, chronic gingivitis and chronic adult periodontitis. [electronic resource] - Journal of periodontal research Jan 1989 - 1-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-3484 Standard No.: 10.1111/j.1600-0765.1989.tb00851.x doi Subjects--Topical Terms: AdolescentAdultB-Lymphocytes--pathologyChronic DiseaseFemaleGingiva--cytologyGingivitis--pathologyHumansImmunohistochemistryKiller Cells, Natural--classificationLeukocyte CountMaleMiddle AgedPeriodontitis--pathologyT-Lymphocytes--pathology