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Hemoglobin level, chronic kidney disease, and the risks of death and hospitalization in adults with chronic heart failure: the Anemia in Chronic Heart Failure: Outcomes and Resource Utilization (ANCHOR) study. Circulation 2006; 113: 2713-23.","DOI":"10.1161\/CIRCULATIONAHA.105.577577"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Reinhart WH. The optimum hematocrit. Clin Hemorheol Microcirc 2016; 64: 575-85.","DOI":"10.3233\/CH-168032"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Jackson SL, Tong X, King RJ, <i>et al<\/i>. National burden of heart failure events in the united states, 2006 to 2014. Circ Heart Fail 2018; 11: e004873.","DOI":"10.1161\/CIRCHEARTFAILURE.117.004873"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Triposkiadis F, Giamouzis G, Kitai T, <i>et al<\/i>. A holistic view of advanced heart failure. Life (Basel) 2022; 1.","DOI":"10.3390\/life12091298"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. 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Hosseinpour M, Hatamnejad MR, Montazeri MN, <i>et al<\/i>. Comparison of the red blood cell indices based on accuracy, sensitivity, and specificity to predict one-year mortality in heart failure patients. BMC Cardiovasc Disord 2022; 22: 532.","DOI":"10.1186\/s12872-022-02987-x"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Singh G, Bamba H, Inban P, <i>et al<\/i>. The role of biomarkers in the prognosis and risk stratification in heart failure: A systematic review. Disease-a-Month 2024; 70: 101782.","DOI":"10.1016\/j.disamonth.2024.101782"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Durak-Nalbantic A, Begic E, Begic A, <i>et al<\/i>. Biomarkers and their combination in a prediction of decompensation after an index hospitalization for acute heart failure. J Family Med Prim Care 2023; 12: 1158-64.","DOI":"10.4103\/jfmpc.jfmpc_1456_22"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Suchina J, L\u00fcthi-Corridori G, Jaun F, <i>et al<\/i>. 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