the patient group with severe conjunctival signs was not found to be significantly different from the group without such signs for age , sex , haemoglobin value , reticulocyte count , alpha-globin gene number , percentage fetal haemoglobin , or the proportion of very dense cells ( chc greater than 37 g/dl ) .
C0019046
haemoglobin
C0015936
fetal haemoglobin