title: alpha-Thalassemia and HbF concentration in sickle cell anemia.
mesh_terms: D000755:Anemia, Sickle Cell / Q000097:blood* / Q000150:complications / Q000235:genetics; D002648:Child; D005319:Fetal Hemoglobin / Q000032:analysis*; D006801:Humans; D013789:Thalassemia / Q000097:blood* / Q000150:complications / Q000235:genetics
chemical_list: D005319:Fetal Hemoglobin