1. Kassebaum NJ, Jasrasaria R, Naghavi M, Wulf SK, Johns N, Lozano R, Regan M, Weatherall D, Chou DP, Eisele TP, Flaxman SR, Pullan RL, Brooker SJ, Murray CJ (2014) A systematic analysis of global anemia burden from 1990 to 2010. Blood 123:615–624.
https://doi.org/10.1182/blood-2013-06-508325
2. World Health Organization, Blood Transfusion Safety (2002) The clinical use of blood in medicine, obstetrics, paediatrics, surgery and anaesthesia, trauma and burns. WHO.
https://apps.who.int/iris/bitstream/handle/10665/42397/a72894.pdf?sequence=1&isAllowed=y
. Accessed 30 Nov 2018
3. Benoist B, McLean E, Egli I, Cogswell M (2008) Worldwide prevalence of anaemia 1993-2005: WHO Global Database on Anaemia. WHO.
http://apps.who.int/iris/bitstream/handle/10665/43894/9789241596657_eng.pdf?ua=1
. Accessed 30 Nov 2018
4. Fernandes AP, Januário JN, Cangussu CB, Macedo DL, Viana MB (2010) Mortality of children with sickle cell disease: a population study. J Pediatr 86(4):279–284.
https://doi.org/10.2223/JPED.2005
5. U. S. National Institute of Health, U. S. National Library of Medicine (2019) Sickle cell disease. NIH.
https://ghr.nlm.nih.gov/condition/sickle-cell-disease#genes
. Accessed 6 Feb 2019