title: Two different patterns of sickle cell disease in children in Saudi Arabia.
mesh_terms: D000755:Anemia, Sickle Cell / Q000097:blood / Q000145:classification / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005319:Fetal Hemoglobin / Q000032:analysis; D006801:Humans; D007223:Infant; D008297:Male; D012529:Saudi Arabia
chemical_list: D005319:Fetal Hemoglobin