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. 2005 Oct 11;93(8):896–904. doi: 10.1038/sj.bjc.6602800

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Copyright © 2005 Cancer Research UK

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Unadjusted hazard ratio of relapse (left) and death (right) for patients receiving LEV vs those not receiving it. Horizontal bars represent 95% CI; size of the diamond is proportional to the size of the subgroup.