Gene Rearrangement, B-Lymphocyte, Heavy Chain. B Cell Heavy Chain Gene Rearrangement . B Cell Mu Chain Gene Rearrangement . B Lymphocyte Heavy Chain Gene Rearrangement . B Lymphocyte Mu Chain Gene Rearrangement . B-Cell Heavy Chain Gene Rearrangement . B-Lymphocyte Heavy Chain Gene Rearrangement . B-Lymphocyte mu Chain Gene Rearrangement . 1.00