disease (or disorder); hemoglobin or Hb, D (Hb-D), sickle-cell
disease (or disorder); hemoglobin or hb, d (hb-d), sickle-cell
disease (or disorder); hemoglobin or Hb, D (Hb-D), sickle-cell
disease (or disorder); hemoglobin or hb, d (hb-d), sickle-cell