title: Biologic role of lymphocytes.
mesh_terms: D001402:B-Lymphocytes / Q000166:cytology / Q000276:immunology; D002454:Cell Differentiation; D006680:HLA Antigens; D008214:Lymphocytes / Q000276:immunology*; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology
chemical_list: D006680:HLA Antigens