title: Diagnostic efficacy of haemoglobin A2 in heterozygous beta thalassaemia.
mesh_terms: D000747:Anemia, Hypochromic / Q000175:diagnosis; D005319:Fetal Hemoglobin / Q000032:analysis*; D005494:Folic Acid Deficiency / Q000097:blood; D006441:Hemoglobin A / Q000032:analysis*; D006443:Hemoglobin A2 / Q000032:analysis*; D006579:Heterozygote; D006801:Humans; D013789:Thalassemia / Q000175:diagnosis* / Q000235:genetics; D014806:Vitamin B 12 Deficiency / Q000097:blood
chemical_list: D006441:Hemoglobin A; D006443:Hemoglobin A2; D005319:Fetal Hemoglobin