1. Man's haemoglobins;Lehmann,1974
2. Progress in the natural history studies of the clinical severity of sickle cell disease: epidemiological aspects;Powars,1978
3. Sickle cell disease;Serjeant,1992
4. Abnormal hemoglobins in human populations;Livingstone,1967
5. Médecine tropicale;Gentilini,1986