References
- Pagnier J., Mears J. G., Dunda-Belkhodja O., Schaffer-Rego K. E., Beldjord C., Nagel R. L., Labie D. Evidence for the multicentric origin of the sickle cell hemoglobin gene in Africa. Proc. Natl. Acad. Sci. USA 1984; 81: 1771–17773
- Nagel R. L., Fleming A. F. Genetic epidemiology of the βs gene. Epidemiology of Haematological Disease, A. F. Fleming. W.B. Saunders Company, LondonUK 1992; 331–365, Bailliere's Clinical Hematology, Vol 5 Part II
- Nagel R. L. The origin of the Hemoglobin S gene: clinical, genetic, and anthropological consequences. Einstein Q. J. Med. 1984; 2: 53–62
- Restrepo A. (1971) Frequency and distribution of abnormal hemoglobins and thalassemia in Colombia, South America. Genetical, Functional, and Physical Studies of Hemoglobins. Proceedings of the 1st Inter-American Symposium on Hemoglobins, Caracas, 1969, T. Arends, G. Bemsky, R. L. Nagel. Karger, BaselSwitzerland, 39–52
- Saiki R. K., Gelfand D. H., Stoffel S., Scharf S. J., Higuchi R., Horn G. T., Mullis K. B., Erlich H. A. Primer-directed enzymatic amplification of DNA with thermostable DNA polymerase. Science 1988; 239: 487–491
- Sutton M., Bouhassira E. E., Nagel R. L. Polymerase chain reaction amplification applied to the determination of β-like gobin gene cluster haplotypes. Am. J. Hematol. 1989; 32: 66–69
- Curtin P. D. The Atlantic Slave Trade. A Census. University of Wisconsin Press, Madison WIUSA 1969
- Sandoval A. S.J. De Instauranda Aethiopum Salute. El mundo de la esclavitud negra en América 1627. Reimpreso por la Empresa Nacional de spublicaciones, Santafé de Bogotá, Colombia 1956
- Figueiredo M. S., Olympio Silva M. C.B., Guerreiro J. F., Pante Souza G., Pires A. C.R., Zago M. A. The heterogeneity of the βs cluster haplotypes in Brazil. Gene Geogr. 1994; 8: 7–12
- Costa F. F., Arruda V. R., Gonçalves M. G., Miranda S. R.P., Carvhalo M. H., Sonati M. F., Saad S. O.T. βs-Gene-cluster haplotypes in sickle cell anemia patients from two regions of Brazil. Am. J. Hematol. 1994; 45: 96–97
- Rieder R. F., Safaya P., Gillette S., Fryd S., Hsu H., Adams J. G., III, Steinberg M. H. Effect of β-globin gene cluster haplotype on the hematological and clinical features of sickle cell anemia. Am. J. Hematol 1991; 36: 184–189
- Nuñoz A., Corral L., Alaez C., Svarch E, Espinosa E., Carbonell N., di Leo R., Felicetti L., Nagel R. L., Martinez G. Sickle cell anemia and β-gene cluster haplotypes in Cuba. Am. J. Hematol. 1995; 49: 163–164
- Kéclard L., Ollendorf V., Berchel C., Loret H., Mérault G. β Haplotypes, α-globin gene status, and hematological data of sickle cell disease patients in Guadeloupe (F.W.I.). Hemoglobin 1996; 20: 63–74
- Arends A., Alvarez M., De Velásquez D L., Charello A., Salazar R., Guevara J. M., Castillo O. Determination of β-globin gene cluster haplotypes and prevalence of α-thalassaemia in sickle cell anaemia patients in Venezuela. Br. J. Hematol. 1998; 102: 48
- Pinto L. F., Cuéllar A. F., Maya M. L.M., Murillo G. M., Mondragón A. M.C., Alvarez P. L. Anemia de células falciformes en Medellin. Acta Med. Colomb. 1991; 16: 309–316
- Figueiredo M. S., Kerbauy J., Gonçalves M. S., Arruda V. R., Saad S. T.O., Sonati M. F., Stoming T., Costa F. F. Effect of α-thalassemia and β-globin gene cluster haplotypes on the hematological and clinical features of sickle-cell anemia in Brazil. Am. J. Hematol. 1996; 53: 72–76
- Pante-de-Souza G., Mousinho-Ribeiro R. D., dos Santos E. J.M., Zago M. A., Guerreiro J. F. Origin of the Hemoglobin S in a northern Brazilian population: the combined effects of slave trade and internal migration. Gen. Mol. Biol. 1998; 21: 427–430