"fetal Hb" . . "HbF" . "fetal blood" . "haemoglobin F" . . . "hemoglobin F" . . "fetal version of hemoglobin" . . "Fetal hemoglobin" . "hemoglobin SC" . "Hemoglobin F" . . "Fetal Hb" . . . "foetal haemoglobin" . "Fetal hemoglobin" . "fetal hemoglobin" . .