1. Astor BC, Muntner P, Levin A, Eustace JA, Coresh J. Association of kidney function with anemia: the Third National Health and Nutrition Examination Survey (1988-1994). Arch Intern Med. 2002; 162:1401–1408.
2. Golbahar J, Altayab D, Carreon E, Darwish A. Association of vitamin D deficiency and hyperparathyroidism with anemia: a crosssectional study. J Blood Med. 2013; 4:123–128.
Article
3. Wittwer I. Iron deficiency anaemia in chronic kidney disease. J Ren Care. 2013; 39:182–188.
Article
4. Wojcicki JM. Hyperphosphatemia is associated with anemia in adults without chronic kidney disease: results from the National Health and Nutrition Examination Survey (NHANES): 2005-2010. BMC Nephrol. 2013; 14:178.
Article
5. Shimizu Y, Nakazato M, Sekita T, Kadota K, Sato S, Arima K, et al. Association between alkaline phosphatase and anemia in rural Japanese men: The Nagasaki Islands study. Acta Medica Nagasakiensia. 2014; 58:125–130.
6. Icardi A, Paoletti E, De Nicola L, Mazzaferro S, Russo R, Cozzolino M. Renal anaemia and EPO hyporesponsiveness associated with vitamin D deficiency: the potential role of inflammation. Nephrol Dial Transplant. 2013; 28:1672–1679.
Article
7. Besarab A, Coyne DW. Iron supplementation to treat anemia in patients with chronic kidney disease. Nat Rev Nephrol. 2010; 6:699–710.
Article
8. Patel NM, Gutiérrez OM, Andress DL, Coyne DW, Levin A, Wolf M. Vitamin D deficiency and anemia in early chronic kidney disease. Kidney Int. 2010; 77:715–720.
Article
9. Kendrick J, Targher G, Smits G, Chonchol M. 25-Hydroxyvitamin D deficiency and inflammation and their association with hemoglobin levels in chronic kidney disease. Am J Nephrol. 2009; 30:64–72.
Article
10. Yoo EH, Cho HJ. Prevalence of 25-hydroxyvitamin D deficiency in Korean patients with anemia. J Clin Lab Anal. 2015; 29:129–134.
Article
11. Hollis BW, Kamerud JQ, Selvaag SR, Lorenz JD, Napoli JL. Determination of vitamin D status by radioimmunoassay with an 125I-labeled tracer. Clin Chem. 1993; 39:529–533.
Article
12. Holick MF. Vitamin D deficiency. N Engl J Med. 2007; 357:266–281.
Article
13. Holick MF. High prevalence of vitamin D inadequacy and implications for health. Mayo Clin Proc. 2006; 81:353–373.
Article
14. Bischoff-Ferrari HA, Giovannucci E, Willett WC, Dietrich T, Dawson-Hughes B. Estimation of optimal serum concentrations of 25-hydroxyvitamin D for multiple health outcomes. Am J Clin Nutr. 2006; 84:18–28.
Article
15. Thomas MK, Lloyd-Jones DM, Thadhani RI, Shaw AC, Deraska DJ, Kitch BT, et al. Hypovitaminosis D in medical inpatients. N Engl J Med. 1998; 338:777–783.
Article
16. Malabanan A, Veronikis IE, Holick MF. Redefining vitamin D insufficiency. Lancet. 1998; 351:805–806.
Article
17. Moorthi RN, Kandula P, Moe SM. Optimal vitamin D, calcitriol, and vitamin D analog replacement in chronic kidney disease: to D or not to D: that is the question. Curr Opin Nephrol Hypertens. 2011; 20:354–359.
Article
18. Coyne DW. The KDOQI US commentary on KDIGO anemia guideline and quality of life. Am J Kidney Dis. 2014; 63:540.
Article
19. Cană-Ruiu D, Moţa E, Istrate N, Văduva C, Trican E. Renal anemia - risk factor for chronic kidney disease. Curr Health Sci J. 2013; 39:214–217.
20. Hörl WH. Anaemia management and mortality risk in chronic kidney disease. Nat Rev Nephrol. 2013; 9:291–301.
Article
21. Cases-Amenós A, Martínez-Castelao A, Fort-Ros J, Bonal-Bastons J, Ruiz MP, Vallés-Prats M, et al. Prevalence of anaemia and its clinical management in patients with stages 3-5 chronic kidney disease not on dialysis in Catalonia: MICENAS I study. Nefrologia. 2014; 34:189–198.
22. Chang JM, Chen SC, Huang JC, Su HM, Chen HC. Anemia and left ventricular hypertrophy with renal function decline and cardiovascular events in chronic kidney disease. Am J Med Sci. 2014; 347:183–189.
Article
23. Tirmenstajn-Jankovic B, Dimkovic N, Perunicic-Pekovic G, Radojicic Z, Bastac D, Zikic S, et al. Anemia is independently associated with NT-proBNP levels in asymptomatic predialysis patients with chronic kidney disease. Hippokratia. 2013; 17:307–312.
24. Hung SC, Kuo KL, Tarng DC, Hsu CC, Wu MS, Huang TP. Anaemia management in patients with chronic kidney disease: Taiwan practice guidelines. Nephrology (Carlton). 2014; 19:735–739.
Article
25. Aucella F, Scalzulli RP, Gatta G, Vigilante M, Carella AM, Stallone C. Calcitriol increases burst-forming unit-erythroid proliferation in chronic renal failure. A synergistic effect with r-HuEpo. Nephron Clin Pract. 2003; 95:c121–c127.
26. Aucella F, Gatta G, Vigilante M, Scalzulli RP, Mantuano S, Carotenuto M, et al. [Calcitriol increases burst forming unit-erythroid (BFU-E) in vitro proliferation in chronic uremia. Synergic effect with DNA recombinant erythropoietin (rHu-Epo)]. Minerva Urol Nefrol. 2001; 53:1–5.
27. Zughaier SM, Alvarez JA, Sloan JH, Konrad RJ, Tangpricha V. The role of vitamin D in regulating the iron-hepcidin-ferroportin axis in monocytes. J Clin Transl Endocrinol. 2014; 1:19–25.
28. Brancaccio D, Cozzolino M, Gallieni M. Hyperparathyroidism and anemia in uremic subjects: a combined therapeutic approach. J Am Soc Nephrol. 2004; 15:Suppl 1. S21–S24.
Article