microRNA-34a expression correlates with MDM2 SNP309 polymorphism and treatment-free survival in chronic lymphocytic leukemia. Posted byadmin 27. July 2020 Asslaber D, Piñón JD, Seyfried I, Desch P, Stöcher M, Tinhofer I, Egle A, Merkel O, Greil R. http://www.ncbi.nlm.nih.gov/pubmed/20089965