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Kumar A, Soares HP, Balducci L, Djulbegovic B; National Cancer Institute.Kumar A, et al. Among authors: djulbegovic b.J Clin Oncol. 2007 Apr 1;25(10):1272-6. doi: 10.1200/JCO.2006.09.2759.J Clin Oncol. 2007.PMID: 17401017Review.