label: HBA1/HBA2 (alpha globin 1 and alpha globin 2) (eg, alpha thalassemia, Hb Bart hydrops fetalis syndrome, HbH disease), gene analysis; duplication/deletion variants
label_lc: hba1/hba2 (alpha globin 1 and alpha globin 2) (eg, alpha thalassemia, hb bart hydrops fetalis syndrome, hbh disease), gene analysis; duplication/deletion variants