each thalassaemic patient was subjected to two l-dopa tests ( 0.5 g l-dopa plus 0.7 mg/kg body weight propranolol , orally ) : one was performed under conditions of low haemoglobin ( hb ) levels ( 30 days after the last blood transfusion ) , and the second in the presence of increased hb concentrations ( 10 days after the transfusion of packed red blood cells ) .
C0023570
l-dopa
C0013023
dopa