title: Letter: HL-A antigens in lymphatic leukaemia.
mesh_terms: D002478:Cells, Cultured; D005838:Genotype; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007945:Leukemia, Lymphoid / Q000235:genetics / Q000276:immunology*; D008228:Lymphoma, Non-Hodgkin / Q000276:immunology
chemical_list: D006649:Histocompatibility Antigens