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Patnaik MM, Gangat N, Knudson RA, Keefe JG, Hanson CA, Pardanani A, Ketterling RP, Tefferi A.Patnaik MM, et al. Among authors: knudson ra.Am J Hematol. 2010 Apr;85(4):238-42. doi: 10.1002/ajh.21631.Am J Hematol. 2010.PMID: 20143402Free article.