the natural killer ( nk ) activity of peripheral blood mononuclear cells ( pbmc ) and lymphocytes with the capacity to form stable rosettes with neuraminidase-treated sheep red blood cells ( e+ ) was studied in 28 previously untreated patients ( 11 at stage 0 , 10 at stage i and 7 at stages ii and iii , according to rai 's classification ) and 7 treated patients with b-cell chronic lymphocytic leukemia ( b-cll ) , all of them at stage 0 according to rai 's classification after treatment , and in 15 healthy controls .
C0024264
lymphocytes
C0023434
b-cell chronic