title: Letter: Surface ultrastructural changes of lymphoid cells in chronic lymphocytic leukaemia.
mesh_terms: D000368:Aged; D001706:Biopsy; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000097:blood / Q000473:pathology*; D007958:Leukocyte Count; D008198:Lymph Nodes / Q000648:ultrastructure*; D008214:Lymphocytes / Q000473:pathology* / Q000648:ultrastructure; D008854:Microscopy, Electron