deprecated Severe S/Beta-Plus-Thal true Rees, D.C., Williams, T.N. and Gladwin, M.T., 2010. Sickle-cell disease. The Lancet, 376(9757), pp.2018-2031. Severe S/Beta-Plus-Thal Severe S/Beta-Plus-Thalassaemia Genotype 'Genotype where a person is a compound heterozygote for the hemoglobin S mutation and a severe beta plus thalassemia mutation. Source: CLAIR [Curator team: []]' Severe S/Beta-Plus-Thal Genotype Severe Sickle Cell Disease-S Beta Minus Thalassemia deprecated Sickle beta plus thalassemia