an infrequent ( 2-3 % ) b lymphocyte subpopulation was found in the normal human tonsil and lymph nodes that shows the phenotypic characteristics of b-chronic lymphocytic leukemia ( b-cll ) ( rosette formation with mouse erythrocytes , weak expression of membrane ig , staining for hla-dr , and okt1 or leu-1 detecting a t cell-associated p65 antigen ) .
C0086418
human
C0019764
hla-dr