Fig. 2.
Evaluation of the clonality of PBL by PCR. Amplification products after IgH-PCR and PAGE (6% polyacrylamide gel, staining with ethidium bromide). Case no. 1, tumor of patient no. 12; case no. 2, tumor of patient no. 15; case no. 3, tumor of patient no. 9; positive control, DNA extracted from the Raji cell line.