title: Letter: Autoinhibition of P.H.A. response by chronic-lymphocytic-leukaemia serum.
mesh_terms: D000368:Aged; D001323:Autoantibodies; D002478:Cells, Cultured; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D006801:Humans; D037102:Lectins / Q000494:pharmacology*; D007945:Leukemia, Lymphoid / Q000276:immunology*; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D008875:Middle Aged; D008934:Mitogens
chemical_list: D001323:Autoantibodies; D037102:Lectins; D008934:Mitogens