1. World Health Organization. Haemoglobin concentrations for the diagnosis of anaemia and assessment of severity. Vitamin and mineral nutrition information system (WHO/NMH/NHD/MNM/11.1). 2011.
http://www.who.int/vmnis/indicators/haemoglobin.pdf
. Accessed 30 Jan.
2. MOHS, UNICEF, Helen Keller International, GroundWork, WHO. 2013 Sierra Leone Micronutrient Survey. Freetown; 2015.
3. Wirth JP, Rohner F, Woodruff BA, Chiwile F, Yankson H, Koroma AS, et al. Anemia, micronutrient deficiencies, and malaria in children and women in Sierra Leone prior to the ebola outbreak—findings of a cross-sectional study. PLoS ONE. 2016;11:e0155031.
4. Wurie AT, Wurie IM, Gevao SM, Robbin-Coker DJ. The prevalence of sickle cell trait in Sierra Leone. A laboratory profile. West Afr J Med. 1996;15:201–3.
5. WHO. Genes and human disease. Genomic resource centre. 2017.
http://www.who.int/genomics/public/geneticdiseases/en/index2.html
. Accessed 31 May 2017.