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«Restless legs syndrome in Indian patients having iron deficiency anemia in a tertiary care hospital». Sleep Medicine, vol. 8, 3, April 2007, pàg. 247–51. DOI: 10.1016/j.sleep.2006.10.004. PMID: 17368978.
«Iron and Iron Deficiency». Centers for Disease Control and Prevention, 23-02-2011. Arxivat de l'original el 8 September 2014. [Consulta: 12 agost 2014].