RT Journal Article SR Electronic T1 Interaction of β-thalassaemia and Hereditary Persistence of Foetal Haemoglobin JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 24 OP 26 DO 10.1136/jmg.1.1.24 VO 1 IS 1 A1 G. W. G. Bird A1 M. I. Hasan A1 O. P. Malhotra A1 H. Lehmann YR 1964 UL http://jmg.bmj.com/content/1/1/24.abstract AB