Southern blot analysis showed rearrangement of BCL6 , JH , and TCR beta but not of TCR delta .
southern blot analysis showed rearrangement of bcl6 , jh , and tcr beta but not of tcr delta .
O O O O O O B-DNA_domain_or_region O B-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region O