six cases of acute lymphoblastic leukaemia characterized by negativity of immunological markers and classified as `` '' null cells '' '' , and ten cases of b cell chronic lymphocytic leukaemia were studied in order to investigate the e.m. behaviour of leukaemic cells and so a comparison with t and b normal lymphocytes migration .
C0023434
f b cell chronic lymphocytic leukaem
C0004561
d