title: Letter: Abnormal haemoglobins in south-east Staffordshire.
mesh_terms: D004641:Emigration and Immigration; D004739:England; D006455:Hemoglobins, Abnormal / Q000032:analysis; D006801:Humans; D010154:Pakistan; D044469:Racial Groups; D013789:Thalassemia / Q000097:blood; D014900:West Indies
chemical_list: D006455:Hemoglobins, Abnormal