title: Acute lymphoblastic leukaemia and HL-A: a prospective study.
mesh_terms: D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D007945:Leukemia, Lymphoid / Q000276:immunology*; D011446:Prospective Studies
chemical_list: D006649:Histocompatibility Antigens