- HbF production in beta thalassaemia heterozygotes for the IVS-II-1 G-->A beta(0)-globin mutation. Implication of the haplotype and the (G)gamma-158 C-->T mutation on the HbF level. Dedoussis, G.V., Mandilara, G.D., Boussiu, M., Loutradis, A. Am. J. Hematol. (2000)