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Ali T, Roberts DN, Tierney WM. Long-term safety concerns with proton pump inhibitors. <i>Am J Med<\/i> 2009; 122: 896\u2013903.","DOI":"10.1016\/j.amjmed.2009.04.014"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Marcuard SP, Albernaz L, Khazanie PG. Omeprazole therapy causes malabsorption of cyanocobalamin (vitamin B12). <i>Ann Intern Med<\/i> 1994; 120: 211\u2013215.","DOI":"10.7326\/0003-4819-120-3-199402010-00006"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Lanas A, Bajador E, Serrano P, Fuentes J, Carreno S, Guardia J, et al. Nitrovasodilators, low-dose aspirin, other nonsteroidal antiinflammatory drugs, and the risk of upper gastrointestinal bleeding. <i>N Engl J Med<\/i> 2000; 343: 834\u2013839.","DOI":"10.1056\/NEJM200009213431202"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Bhatt DL, Scheiman J, Abraham NS, Antman EM, Chan FK, Furberg CD, et al. 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Clinical characteristics and long-term clinical outcomes of Japanese heart failure patients with preserved versus reduced left ventricular ejection fraction: A prospective cohort of Shinken Database 2004\u20132011. <i>J Cardiol<\/i> 2013; 62: 102\u2013109.","DOI":"10.1016\/j.jjcc.2013.03.013"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Miura M, Sakata Y, Nochioka K, Takada T, Tadaki S, Ushigome R, et al. Prevalence, predictors and prognosis of patients with heart failure requiring nursing care. <i>Circ J<\/i> 2014; 78: 2276\u20132283.","DOI":"10.1253\/circj.CJ-14-0387"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Tanaka S, Sakata R, Marui A, Furukawa Y, Kita T, Kimura T. Predicting long-term mortality after first coronary revascularization: The Kyoto model. <i>Circ J<\/i> 2012; 76: 328\u2013334.","DOI":"10.1253\/circj.CJ-11-0398"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. 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Yano H, Tsukahara K, Morita S, Endo T, Sugano T, Hibi K, et al. Influence of omeprazole and famotidine on the antiplatelet effects of clopidogrel in addition to aspirin in patients with acute coronary syndromes: A prospective, randomized, multicenter study. <i>Circ J<\/i> 2012; 76: 2673\u20132680.","DOI":"10.1253\/circj.CJ-12-0511"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Bhatt DL, Cryer BL, Contant CF, Cohen M, Lanas A, Schnitzer TJ, et al. Clopidogrel with or without omeprazole in coronary artery disease. N Engl J Med 2010; 363: 1909\u20131917.","DOI":"10.1056\/NEJMoa1007964"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Chitose T, Hokimoto S, Oshima S, Nakao K, Fujimoto K, Miyao Y, et al; on behalf of Kumamoto Intervention Conference Study (KICS) Investigators. Clinical outcomes following coronary stenting in Japanese patients treated with and without proton pump inhibitor. <i>Circ J<\/i> 2012; 76: 71\u201378.","DOI":"10.1253\/circj.CJ-11-0699"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. De Domenico I, McVey Ward D, Kaplan J. Regulation of iron acquisition and storage: Consequences for iron-linked disorders. <i>Nat Rev Mol Cell Biol<\/i> 2008; 9: 72\u201381.","DOI":"10.1038\/nrm2295"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Andrews NC. Iron metabolism: Iron deficiency and iron overload. <i>Annu Rev Genomics Hum Genet<\/i> 2000; 1: 75\u201398.","DOI":"10.1146\/annurev.genom.1.1.75"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Munoz M, Garcia-Erce JA, Remacha AF. Disorders of iron metabolism. Part 1: Molecular basis of iron homoeostasis. <i>J Clin Pathol<\/i> 2011; 64: 281\u2013286.","DOI":"10.1136\/jcp.2010.079046"},{"key":"21","doi-asserted-by":"crossref","unstructured":"21. 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Effect of proton pump inhibitors on vitamins and iron. <i>Am J Gastroenterol<\/i> 2009; 104(Suppl 2): S5\u2013S9.","DOI":"10.1038\/ajg.2009.45"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26. Krieg L, Milstein O, Krebs P, Xia Y, Beutler B, Du X. Mutation of the gastric hydrogen-potassium ATPase alpha subunit causes iron-deficiency anemia in mice. <i>Blood<\/i> 2011; 118: 6418\u20136425.","DOI":"10.1182\/blood-2011-04-350082"},{"key":"27","doi-asserted-by":"crossref","unstructured":"27. Stewart CA, Termanini B, Sutliff VE, Serrano J, Yu F, Gibril F, et al. Iron absorption in patients with Zollinger-Ellison syndrome treated with long-term gastric acid antisecretory therapy. <i>Aliment Pharmacol Ther<\/i> 1998; 12: 83\u201398.","DOI":"10.1046\/j.1365-2036.1998.00274.x"},{"key":"28","doi-asserted-by":"crossref","unstructured":"28. Hutchinson C, Geissler CA, Powell JJ, Bomford A. 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