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Risk of bias in meta-analysis on erythropoietin-stimulating agents in heart failure
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To the editor: We are delighted by the encouraging results reported in the meta-analysis of van der Meer et al1 regarding lower hospitalisation rates for patients with heart failure (HF) receiving erythropoiesis-stimulating agents. However, the possibility of bias in the studies included in the meta-analysis might be greater than assessed by the authors.
First, the methodological quality of the …
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