1. Dacie, Lewis's Practical Haematology;Lewis,2001
2. Reference values in infancy and childhood;Lubin,1993
3. Normal haematological values in tropical areas;Gilles;Clin Haematol,1981
4. The structure and function of haemoglobin: clinical disorders due to abnormal haemoglobin structure;Huehns,1974
5. Haematological changes in pregnancy;Fleming;Clin Obstet Gynecol,1975