. . . . . . . "[Both lymphomas had identical bcl-2 and immunoglobulin heavy-chain gene breakpoints as assessed by polymerase chain reaction amplification and direct sequencing, indicating that the 2 tumors originated from a common precursor B-cell clone or the PBC-LBL arose from clonal evolution of its preceding FL and 'dedifferentiated' into a lymphoblastic stage.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:10:52+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .