Howe, D J Trisomy 12 is a Rare Event in Cases of CLL with Typical Immunophenotype and Morphology. [electronic resource] - Hematology (Amsterdam, Netherlands) 1997 - 373-8 p. digital Publication Type: Journal Article ISSN: 1024-5332 Standard No.: 10.1080/10245332.1997.11746357 doi