title: Lymphocyte subpopulations.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D002450:Cell Communication; D003920:Diabetes Mellitus / Q000276:immunology; D006801:Humans; D008214:Lymphocytes / Q000145:classification*; D008215:Lymphocytes, Null / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology