title: Study of T-lymphocyte subpopulations in Hodgkin's disease before and after chemotherapy.
mesh_terms: D001402:B-Lymphocytes / Q000145:classification; D006689:Hodgkin Disease / Q000276:immunology*; D006801:Humans; D013601:T-Lymphocytes / Q000145:classification* / Q000276:immunology; D006377:T-Lymphocytes, Helper-Inducer; D050378:T-Lymphocytes, Regulatory