in addition to two factors present which are known to moderate the clinical course of sickle-cell anaemia , good socioeconomic status and a relatively high hb f level , it is suggested that alpha-thalassaemia may act among other things by lowering the haemoglobin concentration in the red cells and thereby lowering their tendency to sickle in vivo .
C0015936
hb f
C0019046
haemoglobin