1. Tsaras G, Owusu-Ansah A, Boateng FO, Amoateng-Adjepong Y. Complications associated with sickle cell trait: a brief narrative review. Am J Med. 2009; 122:507–512.
Article
2. Naik RP, Haywood C Jr. Sickle cell trait diagnosis: clinical and social implications. Hematology Am Soc Hematol Educ Program. 2015; 2015:160–167.
Article
3. Key NS, Derebail VK. Sickle-cell trait: novel clinical significance. Hematology Am Soc Hematol Educ Program. 2010; 2010:418–422.
Article
4. Hassan MK, Taha JY, Al-Naama LM, Widad NM, Jasim SN. Frequency of haemoglobinopathies and glucose-6-phosphate dehydrogenase deficiency in Basra. East Mediterr Health J. 2003; 9:45–54.
Article
5. Al-Allawi NA, Al-Dousky AA. Frequency of haemoglobinopathies at premarital health screening in Dohuk, Iraq: implications for a regional prevention programme. East Mediterr Health J. 2010; 16:381–385.
Article
6. Iolascon A, De Falco L, Beaumont C. Molecular basis of inherited microcytic anemia due to defects in iron acquisition or heme synthesis. Haematologica. 2009; 94:395–408.
Article
7. Miller JL. Iron deficiency anemia: a common and curable disease. Cold Spring Harb Perspect Med. 2013; 3:a011866.
Article
8. World Health Organization. The global prevalence of anaemia in 2011. Geneva, Switzerland: World Health Organization;2015. p. 4–5.
10. Medinger M, Saller E, Harteveld CL, et al. A rare case of coinheritance of Hemoglobin H disease and sickle cell trait combined with severe iron deficiency. Hematol Rep. 2011; 3:e30.
Article
11. Wambua S, Mwacharo J, Uyoga S, Macharia A, Williams TN. Co-inheritance of alpha+-thalassaemia and sickle trait results in specific effects on haematological parameters. Br J Haematol. 2006; 133:206–209.
Article
13. Cole TJ, Flegal KM, Nicholls D, Jackson AA. Body mass index cut offs to define thinness in children and adolescents: international survey. BMJ. 2007; 335:194.
Article
14. Lewis SM. Reference ranges and normal values. In : Lewis SM, Bain BJ, Bates I, editors. Dacie and Lewis practical haematology. 10th ed. Philadelphia, PA: Churchill Livingstone;2006. p. 11–24.
15. Lo SF. Reference intervals for laboratory tests and procedures. In : Kliegman RM, Stanton BF, St Geme JW, Schor N, editors. Nelson textbook of pediatrics. 20th ed. Philadelphia, PA: Elsevier;2016. p. 3464–3473.
16. Castel R, Tax MG, Droogendijk J, et al. The transferrin/log(ferritin) ratio: a new tool for the diagnosis of iron deficiency anemia. Clin Chem Lab Med. 2012; 50:1343–1349.
Article
17. Obaid AJ, Hassan MK, AL-Naama LM. Sickle cell and glucose-6-phosphate dehydrogenase deficiency gene in Abu-Alkhasib district of southern Iraq. Med J Basrah Univ. 2001; 19:12–18.
18. Chikhlikar K, Wilkinson A. A study of red cell parameters in patients of sickle cell trait. IOSR J Dent Med Sci. 2014; 13:46–50.
Article
19. Mustafa MH, Eltayeb EA, Elmisbah TE, Babiker HM, Ali NA, Nasir O. Frequency of the sickle cell disease and sickle cell trait in Heglig Area-Sudan. Int J Public Health Epidemiol. 2013; 3:1–6.
20. Patel J, Patel A, Patel J, Kaur A, Patel V. Prevalence of haemoglobinopathies in Gujarat, India: a cross-sectional study. Internet J Hematol. 2008; 5:1–6.
21. Mohanty D, Mukherjee MB, Colah RB, et al. Iron deficiency anaemia in sickle cell disorders in India. Indian J Med Res. 2008; 127:366–369.
22. Khan Y, Thakur AS, Mehta R, Kundu RK, Agnihotram G. Hematological profile of sickle cell disease: a hospital based study at cims, Bilaspur, Chhattisgarh. Int J Appl Biol Pharm. 2010; 1:717–721.
23. El Ariss AB, Younes M, Matar J, Berjaoui Z. Prevalence of sickle cell trait in the Southern Suburb of Beirut, Lebanon. Mediterr J Hematol Infect Dis. 2016; 8:e2016015.
25. Domellöf M, Lönnerdal B, Dewey KG, Cohen RJ, Rivera LL, Hernell O. Sex differences in iron status during infancy. Pediatrics. 2002; 110:545–552.
Article
26. Musaiger AO, Al-Mufty BA, Al-Hazzaa HM. Eating habits, inactivity, and sedentary behavior among adolescents in Iraq: sex differences in the hidden risks of noncommunicable diseases. Food Nutr Bull. 2014; 35:12–19.
Article
27. Modell B, Darlison M. Global epidemiology of haemoglobin disorders and derived service indicators. Bull World Health Organ. 2008; 86:480–487.
Article
28. Sultana GS, Haque SA, Sultana T, Ahmed AN. Value of red cell distribution width (RDW) and RBC indices in the detection of iron deficiency anemia. Mymensingh Med J. 2013; 22:370–376.
29. Al-Harbi T, Al-Matrafi M, Ismail A. Prevalence & etiology of microcytosis in sickle cell anemia patients. Imp J Interdiscip Res. 2016; 2:622–626.
30. Taha JY, Mansour AA. Level of hemoglobin in sickle cell trait in Basrah using HPLC. Middle East J Fam Med. 2006; 4:15–16.