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Letter

Nature Genetics 37, 435–440 (1 April 2005) | doi:10.1038/ng1533

Genetic dissection and prognostic modeling of overt stroke in sickle cell anemia

Paola Sebastiani , Marco F Ramoni , Vikki Nolan , Clinton T Baldwin & Martin H Steinberg

Sickle cell anemia (SCA) is a paradigmatic single gene disorder caused by homozygosity with respect to a unique mutation at the β-globin locus. SCA is phenotypically complex, with different clinical courses ranging from early childhood mortality to a virtually unrecognized condition.