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Weatherall, MW; Higgs, DR; Weiss, H; Weatherall, DJ; Serjeant, GR; (2005) Phenotype/genotype relationships in sickle cell disease: a pilot twin study. Clinical and laboratory haematology, 27 (6). pp. 384-390. ISSN 0141-9854 DOI: https://doi.org/10.1111/j.1365-2257.2005.00731.x Full text not available from this repository.